If a rectangle has a length of 6cm and a perimeter that is less than 24cm, is area 32cm?

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

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.

Ineed in figuring out this problem.