If the revenue of a cookie company is f(x) = 2.5x + 16, where x is the number of cookies sold, and the expenses of the company are g(x) = x + 20, where x is also the number of cookies sold, what is the profit of the company if they sell 126 cookies?

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

How is working backward similar to solving an equation?