Max delivers 8,520 pieces of mail in one year. if he delivers the same number of pieces of mail each month, about how many pieces of mail does he deliver in 2 months? answer and show your work.

The pressure exerted on the walls of a container by a gas enclosed within it is directly proportional to the temperature of the gas. if the pressure is 6 pounds per square inch when the temperature is find the pressure exerted when the temperature of the gas is 380 degrees f show work for the

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?