Molly used 1-inch cubes to build the structure shown. she left a 3 inch by 1-inch opening in both layers of the structure. what tools could you use to model the problem

i think a ruler

Step-by-step explanation:

unit cubes to make a model

Step-by-step explanation:

if x = 1, then the answer is 3.5

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,