Read the following statement: if the sum of two angles is 90°, then the angles are complementary. the hypothesis of the statement is:

there are two angles.
the sum of two angles is 90°.
the angles are complementary.
angles are complementary if their sum is 90°.

Karianne and lucius are analyzing a linear function on a graph. karianne says that unit rate is equal to rate of change, but that slope is calculated differently. lucius says that unit rate, rate of change, and slope are calculated the same way. who is correct? explain your answer.

Evaluate the following expression 1/3^2

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.