Hey the song of the day is I'm sorry don't leave me by Slander listen now

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

Pls never taught i’m really confused and i rlly need

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x