It cost $35 per hour to rent a boat at the lake. you also need to pay a $25 fee for safety equipment. you have $200. for how long can you rent the boat?

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

What is the slope of the line that contains the points (-2,1) and (0,-3)