Combine like terms. what is a simpler form of the expression?

-3(-4y + 3) + 7y

a. 19y – 9
b. 10y
c. -19y + 3
d. -19y – 9

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm