Complete the square to solve the equation below. X2 + 10x-13 = 17 A. X=-5 + 55 ; x = -5 -
B. X = 4 + 730; X= 4-30
C. x = 5 + 129; x = 5 - 129
D. X= -10 + 55; X = -10 - 155​

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.

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Sweet t saved 20 percent of the total cost of the green-eyed fleas new album let there be fleas on earth. if the regular price is $30 how much did sweet save