What are the measures of the marked angles?

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.

What is the volume of this square pyramid?

What describes horizontal cross section of the right rectangle 6m 8m 5m