What is the measure of the angle

it's 60 degree in my thinking

Step-by-step explanation:

hope this is the answer

I think it's somewhere in the 80's or 70's

Step-by-step explanation:

bit you actually need a protractor to figure out the exact measurements

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,