Casey knit a square-shaped dishcloth. what is the area of the dishcloth.
a 42 cm2
b 441 cm2
c 882 cm2
d 1,764 cm2

a backyard deck is rectangular. it is 30 ft long and 22 ft wide. what is the area of the deck?
a 52 ft2
b 330 ft2
c 660 ft2
d 1,320 ft2

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,