In the past year, Raina watched 6 movies that she thought were very good. She watched 15 movies over the whole year. Of the movies she watched, what percentage did she think were very good?

6/15 so 40%

Step-by-step explanation:

answer are

step-by-step explanation:

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,