Why are bar lines used?
A. makes music easier to read
B. to keep notes together
C. to separate large sections of music
D. to confuse beginners

FOR 100 POINTS!!!! BRAINLIEST TOO PLEASE HELP!!!! Estimate an equation for the line of best fit for the following scatter plot. Pic below. Open ended. Who is picturedabove? Our hair and nail contain. ProteinB CalciumC ChlorineD Phosphorus. Feathers either play a role, or may have played a role, in _____. Feathers either play a role, or may have played a role, in _____. courtship extended hops flight gliding all of these The first number in a pattern is 8. Each following number is found by subtracting 9 from the previousnumberWhat is the fifth number in the pattern? Jenny bought gallons of lemonade and milk for a banquet. A gallon of lemonade costs $5, and a gallon of milk costs $3. Jenny spent $120 and bought 32 total gallons. How many gallons of milk did Jenny buy? find a value of (2power-1*4power-1) Maggie has 7 bills, all tens and twenties, thattotal $100 in value. Find the number of tens, x, andthe number of twenties, y, that Maggie has. In Anne of the Green Gables, 1. why was Marilla sharp with Anne?2. how did Marilla change in her attitude toward Anne?3. what finally made Marilla decide to let Anne stay at Green Gables?4. do you think Anne would have been a good friend? Why? Calculate the gravitational force of attraction betweentwo 55 kg people who are standing 0.25 m apart. An isosceles triangle has base angles that each measure 42. Which equation can be used to find z, the measure of the third angle of this isosceles triangle in degrees? \ The resting potential of resting neuron is caused by ________.A.A higher concentration of Na+ on the outside of the cell making it more positive outside.B.A higher concentration of Na+ on the inside of the cell making it more positive inside.C.A higher concentration of K+ on the outside of the cell making it more negative outside.D.A higher concentration of K+ on the inside of the cell making it more positive inside. HELP ME FASTHow many moles are in 325 g of MgCO3?0.161 moles0.269 moles1.98 moles3.85 moles Harper suffers from nearsightedness equally severely in both eyes. The focal length of either of Harper's eyes is 16.7 mm in the relaxed state. What lens strength (a.k.a., lens power) of contact lenses should be prescribed to correct the nearsightedness in Harper's eyes Find the area of the shaded segment VB and length of VB I NEED HELP ASAP!!!!!! PLEASE ME ASAP!!!!!! 15 POINTS1.To stimulate the economy, the government in South America built this highway and gave away free land along it to give people access to the rich resources that could be found in the rainforest. a. South American Interstate b. Trans-Amazonian Highway c. Trans-Brazilian Highway2. What was the original reason that farmers removed trees in the Amazon Rainforest? a. pigs b. cattle c. crops3.If the deforestation level of the Amazon Rainforest reaches 25%, it is a concern that.... a. too much carbon dioxide would remain in the atmosphere. b. less oxygen would be produced. c. water would not be able to be cycled quickly enough. Kyle typed 574 words in 14 minutes. How many Which statement provides an analysis of how the treatment of Akaky by the young officials helps develop a central theme of the text?A It provokes the pity of another character as well as that of the narrator, developing the focus on human cruelty.B It causes a drop in Akaky's productivity, developing the focus on the importance of each individual's contribution to achieving a goal.C It produces amusement for the higher-ranking officials as well as for the narrator, developing the focus on human incompetence.D It provokes Akaky to stand up for himself, developing the focus on fighting back against inhumane treatment. A square originally starts with an area of 64 cm2.If each side of the square is increased by 2 cm, what is the area of the new square? what factor changed Woodrow Wilsons opinion about entering WW1