Gianna tells her friends to follow the steps shown. Which choice best explains why each friend will end up with their starting number?

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.

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart