Amy glued purple ribbon around the edge of her circular mirror. She used 63 inches of ribbon. This was just enough to go once around the mirror. What is the approximate diameter of her mirror?
5 inches
B
10 inches
18 inches
D 20 inches
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the answer is the third / last answer

step-by-step explanation:

if you need , reply with more info. u.

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,