Can someone solve for x and y

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

Issof claims that the scale factor is 1/2. which statement about his claim is correct

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true