In which of the following situations would it be appropriate to use the midpoint formula? A. To hang a lamp in the center of a room.
B. To determine the length of fencing needed along one side of your yard.
C. To calculate the amount of string needed for a clothesline.
D. To find the distance between your home and school.

answer: 12

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,

answer:

a=9

step-by-step explanation: lmk if you need a explanation