What does the mean of a probability distribution represent?

Multiply. −2x(6 x 4 −7 x 2 +x−5) express the answer in standard form. enter your answer in the box.

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

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*