Whats the percent change of $55 to $41.25?

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

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Use the data on the dot plot to answer the question. how many people read for more than three hours last week? i'm on a unit test review