Solve It! The area of a rectangular solar panel is given by the trinomial below. x^2+7x+12

The height of the solar panel is given by the binomial below.
x+3

What is an expression for the length of the panel?

A. x^2+6x+9

B. x+3

C. x^2+3

D. x+4

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total