What’s the answer to this math problem

Giving ad is congruent to bc and angle bcd is congruent to angle adc prove d e is going to ce

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.

Find the total area for the regular pyramid ( follow the answer set up in the picture)