Which number is rational
-2.1010010001
-0.8974512
1.2547569
5.

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 the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.