Amachine can fill a twenty pencils in a box in 30 seconds. how many can you fill in 2 hours ?

Factor the monomial completely 42a3b3

Cal's go cart has a gas tank with the dimensions shown below. he uses a gas can that holds 11 gallon of gas, to fill the go cart tank. 11 gallon = 231 inches^3 how many full gas cans will it take to fill the go cart's gas tank?

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x