Can someone me with this question? if you do!

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

How do i put 3(x+7) in distributive property