Mrs. Richey can sell 72 picture frames each month if she charges $18 each. She estimates that for each $3 increase in price, she will sell 4 fewer frames. Step 1 of 2 : Find the price that will yield the maximum revenue.

the answer is true.

step-by-step explanation:

can i see the following ?

step-by-step explanation:

7,24

step-by-step explanation:

step-by-step explanation:

points a and b are equidistant from the desired line, so the line you find by using them will go through point r.

using points other than a and b will give the desired line only if they are equidistant from r. if they are randomly located, the perpendicular line you create will not necessarily go through point r, hence will not be a solution to the problem.