Correct answer only ! i cannot retake which graph represents the polynomial function?

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earned $75 in interest.how much interest will she earn during the following year?

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b