In the figure, c ∥ d. What are the measures of ∠1 and ∠2? Enter your answers in the boxes.

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.

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9