What type of correlation is shown in the graph? a. positive b. negative c. no correlation d. linear

Can someone check if i did this correct. it’s number 4 if you’re wondering.

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?

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length