Triangle abc has been transformed into triangle a'b'c'. the algebraic formula for this transformation is  a) (x', y') = (2x, y)    b) (x', y') = (x, 2y)  c) (x', y') = (2x, 2y)  d) (x', y') = (2y, 2x)

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality