Help me please I used all my points for this.

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

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')