Susan Johnson earned 15,000 last year. Sam Miller earned 63,000 last year. Both person were required to pay a special tax of $350. Which of the following term best describes this tax? A. Proportional B. Regressive C. Inexpensive D. progressive E. Unearned

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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.

Find the value of x that will make l ll m