If X equals 10 which lines are parallel check all that apply

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition?

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

Explain why the factor 1.5 is broke. into two numbers in the model.