12 for 3 books; 28 for 7

How many equal groups can 24 eggs be divided

Try It! 2. It takes 12 hours to fill a pool with two pipes, where the water in one pipe flows three times as fast as the other pipe. How long will it take the slower pipe to fill the pool by itself?

2qt:6qt::x:48qt, what is the value of x

Which property of equality would you use to solve the equation 14x = 56

Square of 9 less than a number is 3 less than the number

The box plots represent the ages of pennies in two 50-cent rolls. By looking at the plots, Beth says that the two means are about 5 years apart.

Which is bigger nine halves or nine quarters? How do you know?

In triangle abc, ab=90 in, bc=80 in, and angle b measures 50°. what is the approximate perimeter of the triangle? a) 242.4 in. b) 265.3 in. c) 308.3 in. d) 324.1 in.

The sum of two numbers is 180. one number is 5 times the number

What is the vertex of the parobala y = (x-5) (x-1)