What is 7/8 times a variable that has to equsl to 8

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

Find the distance between c and d on the number line c=3 and d=11