Select the correct answer. Which expression is equivalent to the given expression?
3(x - 7) + 4(x2 – 2x + 9)
A. 412 – 50 + 15
B. 4x2 + 1 - 12
C. 412 + 110 – 15
D. 4x2 + 5x – 16

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

In angle pqr find the measure of

Bo is buying a board game that usually costs bb dollars. the game is on sale, and the price has been reduced by 18\%18%. what could you find the answer?