Middle School had 480 students. At the end of the year, it had 504 students. What is the percent of

change in the enrollment?
explain.

there is a 5% increase

Step-by-step explanation:

say 480=100%

4.8=1%

divide 504 by 4.8 you get 105,

so 504=105%

this is 5 more than 100 therefore 5%

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,

answer: your answer is a