Which equation has solution x = -3?
a) 2x - 7 = -1
b) 3x + 8 = 1
c) 1/2x + 8 = 10
d) 1/2(2x - 6) = -6

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

If 25% of y is 30, what is 60% of y?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !