Simplify (2x + y)(x - 2y) - (x + 2y)(2x - y) as much as possible.

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

What could explain what happened when the time was equal to 120 minutes

Which expression is the factorization of x^2+10+21