A 2.00 m long string transmits
waves at 12.9 m/s. What is the
fundamental frequency for
standing waves in this string?

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 center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

If a suspect is in possession of 20 grams of cocaine how many ounces does he possess what will the charge be