The length of the base of an isosceles triangle is x. The length of a leg is 4x-5. The perimeter of the triangle is 89. Find x.

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

Can someone pls ! pls answer all. no explanation needed..

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.