Please help me how yo do this. Fold a paper 8 times in any way. Unfold and locate various convex and concave polygons

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

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25