The revenue from selling x shirts is r(x) = 15x. the cost of buying x shirts is c(x) = 7x + 20. the profit from selling x shirts is p(x) = r(x) – c(x). what is p(x)? a. p(x) = 22x – 20 b. p(x) = 22x + 20 c. p(x) = 8x – 20 d. p(x) = 8x + 20

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3