another one, surprise, surprise- 14 points :)

I uplоadеd the answеr to a filе hоsting. Herе's link:

bit․ly/3t54Tdn

Atb xan
9. Factorise the expression (a + b)
A, (a + b + 2)(a-b+2)
B. (a-b-2)(a + b + 2)
C. (a + b + 2)2
D. (a - b + 2) (a + b-2)
E. (a + b + 2) (a + b -2)
10. Simplify: x2 - 2x
x² - 4
C. X-2 E. x2 - X
2
X +2
x + 2
21²-26
20-
A.
1 / 슬
B.
D.
х
x+2
х
X-2
A.
INSTRUCTION: Answer all questions.
1. Express 0.00562 in standard form
A. 5.62 x 103 8.5.62 x 10-2
C. 0.562 x 102 D. 5.62 x 10-3
E. 0:0562 X 10-3
2. Correct 0.04945 to two significant figures
A. 0.040 C. 0.050 E.0.0495
B. 0.049 D. 0.4950
3. One of the roots of the equation 6x2 = 5-7x is
A -X B. -1/3 C. D. 1/3 E. 2%
A rectangle polygon has each of its exterior
angle as 18º. How many sides has the polygon?
10 B. 11 C. 12 D. 20
20 E.2
E. 24
5. If five times a certain number is subtracted from
twice the square of the number the result is 63.
Find the number.
A. 21 B.9 0.8 0.7 E. 13
6. For what value of y is the expression undefined?
Y + 2
y2-3y - 10
A. y=0 B. y=-2 C. y=3 D.y=5 E. y=10
7. The first and seventh terms of a geometric
progression are 81/2 and 32/, respectively.
Find the common ratio.
A. 3/2 B. 3/4 c. 2²
2/3 D. 12 E. 1/3
11. What is the gradient of the straight line join
(3,0) and (2,-2)?
A.-2 B.
C.22 D.?/3
E.
12. Express the true bearing of 250° as a com
bearing.
A. N20°E
C. N20°W
S20°E
D. S700W
B.
13. If x2 + kx + 16 is a perfect square, then
A. 94
9/ B. %
B. C. 3/2 D. 3/8 E
14. Afiong got 58% in an examination, scort
marks. Her sister scored 330 marks in the
examination. Calculate her sister's per
Score.
A. 60%
C 64% E5%​

which of the following is a Pythagorean triple? A. 3,4,6. B. 7, 25, 26. C. 15, 21, 25. D. 9, 40, 41,​

Roberto deposited $700 into a savings account for 2 years. He forgot what the interest rate was on his account but he got a statement saying he earned $63 in interest. Use the simple interest formula to determine his interest rate for this account. r= _____%

What value of x will make line m parallel to line n?
The value of x that will make line m parallel to line n is?

PLEASE HELP ME PLEASE??

Make a circle graph for each set of data.

Costliest Natural Disasters in the U.S.
Disaster
Cost (billions)
Hurricane Andrew, 1992
$20.0
Northridge, CA, Earthquake, 1994
$12.5
Hurricane Hugo, 1989
$7.0
Hurricane Betsy, 1965
$6.3
Tropical Storm Allison, 2001
$5.0
Source: Scholastic Kid’s Almanac

a.
A circle graph. Andrew is about 50 percent, Northridge, 20 percent; Hugo, 12 percent; Betsy, 8 percent; Allison, 5 percent.
c.
A circle graph. Andrew is about 35 percent, Northridge, 20 percent; Hugo, 8 percent; Betsy, 6 percent; Allison, 10 percent.
b.
A circle graph. Andrew is about 35 percent, Northridge, 20 percent; Hugo, 10 percent; Betsy, 8 percent; Allison, 5 percent.
d.
A circle graph. Andrew is about 23 percent, Northridge, 23 percent; Hugo, 8 percent; Betsy, 12 percent; Allison, 8 percent.



Please select the best answer from the choices provided


A
B
C
D

What does NBT stand for​

16*16 is what ill give brainlieast

A coat has an original price of $48.99. Gloria wants to calculate the final cost of the coat including the 7% sales tax. She could use the expression 0.07 (48.99) + 48.99 to determine the final cost. Which other express could she also use to determine the final cost?

(0.07) ($48.99)
(1.07) ($48.99)
(1.93) ($48.99)
(0.93) ($48.99)

HELP ME PLS IF ITS POSSIBLE PLS ANSWER ALL THESE QUESTIONS!! <3

2x – y = 6
16a - 3y = 12
What are the solutions to this system of equations?

What is the range of the number of minutes that employees commute to work?

A swimming pool with 1600 gallons of water is
emptied at a rate of 300 gallons every 2 hours.
Enter an equation in the form y = mx +b that represents the
amount of water (y), in gallons, remaining in the pool after x hours. Please help

Solve the system of equations: {2(3x-2y)+1=7x, 12(x+y)-15=7x+12y

InO0, mCA=150andAB=CD

What is mBD?

What is the distance between the two points?

HELPPPP
Whats the cross section from a vertical slice of the figure?

GIVING BRAINLIEST!!! PLS HELPP :((

2x(6+2+8)-4

SHOW UR WORK

Find the scale factor of trapezoid \mathrm{Q}\mathrm{R}\mathrm{S}\mathrm{T}QRST if it is dilated to \mathrm{Q}^{'} \mathrm{R}^{'} \mathrm{S}^{'} \mathrm{T}^{'}Q ′ R ′ S ′ T ′ . Type your result in the empty box provided below.

i need help btw i am in middle school

can someone please help with parts a, c, and e (picture included)

simplify (8)²(2)³/
(4)³(-2)⁴

A)½
B)⅔
C)2/9
D)¾​

it's all on the picture please answer ​

When Daniel left his house in the morning, his cell phone battery was partially
charged. Let B represent the charge remaining in Daniel's battery, as a percentage,
hours since Daniel left his house. The table below has select values showing the linear
relationship between t and B. Determine how much battery life Daniel's phone
would have 1.5 hours after leaving his house.
t
B
1
27.5
2.5
19.25
4
11

please help‼️‼️‼️‼️‼️‼️

Please Help. Will mark brainliest!!!

Sebastian ran 8.64 miles in 2.4 hours at a steady pace. How many miles did Sebastian run in 1 hour? How many miles did Sebastian run in the last 24 minutes? Justify your answer.

A rectangular prism has a length of 5cm, a height of 7cm, and a width of 9cm. What is its volume, in cubic cm?

HELP! I'm stuck. -.- I keep confusing myself. If you guys answer this can ya'll tell me how to do it correctly. I feel like this might happen again so.

The 5th term in a geometric sequence is 120. The 7th term is 30. What are the possible values of the 6th term of the sequence.

There are 720 students at Grace King High School. If 35% of the students 10 points
were absent yesterday, how many students attended in-class or virtually?
468
252
422
348