Expand the expression 2 (3 * -1) using the distributive property

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?

Alogical argument that is presented in graphical form using boxes and arrows is called?

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation