HELP IM TIMED but it’s metric conversion, answer the first question to answer the second one.

Match each function with the corresponding function formula when h(x)=5-3x and g(x)=-3+5

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)