Melinda goes bowling on saturday afternoons. she bowls 3 games and pays for shoe rental. define a variable and write an expression to represent the total cost melinda pays. then find the total cost if one game cost $4.

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?

Nikolas calculated the volume of the prism. his work is shown below.

What is the gcf of 20c^3-5c^4+30c^6