The values differ from the mean by an average of 69,51,71,71,77,80,75,63,73

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

Which rule describes the composition of transformations that maps △abc to △a”b”c