Nina and marcus recorded how fast they ran each mile during a 5 mile run. nina recorded her results in a table and marcus recorded his results on a coordinate plane. who had the quickest change

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.

It says factor each expression completely 8y+48

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document