Nicole used 3/8 of her ribbon to wrap a present . if she used 6 feet of ribbon , how much ribbon did nicole have at first ?

Step-by-step explanation:

she would have 1/4 ribbon left

Nicole had 16 feet of Ribbon from the start

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,