A motorboat can maintain a constant speed of 24 miles per hour relative to the water. the boat makes a trip upstream to a certain point in 35 minutes; the return trip takes 25 minutes. what is the speed of the current?

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

The weekly revenue for a company is r = 3p^2 + 60p + 1060, where p is the price of the company's product. what price will result in a revenue of $1200.

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