Aprice p (in dollars) and demand x for a product are related by
2x^2−10xp+50p^2=6200.
if the price is increasing at a rate of 2 dollars per month when the price is 10 dollars, find the rate of change of the demand.
rate of change of demand = ?

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6

Collin did the work to see if 10 is a solution to the equation r/4=2.4