A math club took a math test. Twelve of the members had an average score of 80. Eighteen of the members had an average score of 86. What was the class average?

One pound of grapes costs $1.55. Which equation correctly shows a pair of equivalent ratios that can be used to find the cost of 3.5 pounds of grapes?

How do you answer 4 (8a+5) = 4a-6 (a+8)

The larger of two numbers is seven less than three times the smaller number. If the sum of the numbers is 61, find the numbers

A jury pool consists of 50 potential jurors in how many ways can a jury of 12 be selected

The figure shows a plane slicing through a cone

If 1/3 of flour is used to make 5 dinner rolls how many rolls can you make with 5 and 2/3 cups of flour?

What is the value of 7 (10 - 16) + 8 : 2?

A 100-gallon fish tank fills at a rate of x gallons per minute. The function is f (x) = 100/x. If the tank has been filling for 20 minutes, the total time to fill the tank is represented by the function f (x) = 100/x + 20.

Find the circumference and area of a circle with a diameter of 26 meters. Leave your answers in terms of it

18 yards equals how many feet