A custodian plans to repaint some classroom bookcases. She has 5 and 1/4 gallons of paint. All of the bookcases are the same size and each requires 3/4 gallon of paint. How many bookcases will the custodian be able to repaint with that amount of paint?

Solve for x by completing the square. 2x^2-4x+7=0

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.