triangle rst is congruent with VST is shown. given Line st is the perpendicular bisector of line RV prove triangle rst is congruent to triangle VST what is the missing reason in the proof

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

Multiply. write your answer in simplest form. 3/8 x 5/7