Evaluate each expression.
(-7)2 and - 72
(-7)2 =
-72 =

Which statement is always true? a. square bcdf is a rectangle. b. rectangle gjkm is a square. c. quadrilateral stpr is a trapezoid. d. parallelogram abcd is a rhombus.

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?