Solve. If there is more than one solution, separate them with a comma.
9 - 8| - 2x + 4| = 81

How many days was the temperature above 90 degrees?

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.

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3