Simplify (-2√20k)(5√8k^3)

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

How do your peer relationships affect your overall health status? what can you do to improve your peer relationships?