Find the length of arc RS. Use 3.14 for pi. Round to the nearest tenth. Help!?Don’t understand.

This question consists of 2 parts, a and b. marco got a quotient of 70 when he divided 49 by 0.07. part a what is the correct answer to this problem? part b what mistake did marco make? you!

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?

In which form is the following function written? y = - 2(x – 3)(x + 5)