Can someone please help

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x. which term can she add to the polynomial that would not change its grestest common factor? check all that apply

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

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x, y) coordinate plane?