What's the average rate of the graph from x = -2 to x = 0?

What are the solutions of the equation? 5z^2 + 9z - 2 = 0 a. 1, -2 b. 1, 2 c. 1/5, -2 d. 1/5, 2

Acircus act has 3 times as many elephants as acrobats. jorge noticed that all together there were 56 legs in the circus ring. how many elephants were in the show?

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.