2 Write 3 x 10 in standard notation.​

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.

The graph shows the distance kerri drives on a trip. what is kerri's speed?

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?