A father is 3 times older than his son, or 28 years older. How old is the son?

14

Step-by-step explanation:

The son is x years old.

The father is 3 times older, so the father is 3x years old.

The father is 28 years older than the son, so

3x - x = 28

2x = 28

x = 14

The son is 14.

1e+27

step-by-step explanation:

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,