What is –2.5(7.5 – 3x)?

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

How are algebraic expressions evaluated using substitution?