Suppose you have a coupon for a 20% discount you buy a game that cost $38 the sales tax rate is 5.5% sales tax applies to the calls after the discount what is the total cost of the game

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)