If stacy has 20 apples and mark takes away 10 then matthews gives stacey 20 more apples apple's the stacy have in all

Which of the following transformations will always produce a congruent figure?

For each sentence below, find the value of x that makes each sentence true. (515) 5 = 25* x= (813)2 = 4* x=

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.