You are ima room with other students and are asked to get in groups of 3. When finished, there are 21 groups of 3. How manny students are in the room?

How to draw a obuse angle

A rectangle is 9 ft long and 40 in. wide. What is its perimeter in inches? (Note: 1 ft = 12 in.)

The height of the parallelogram, h, can be found by dividing the area by the length of the base. if the area of the parallelogram is represented by 4x2 - 2x 5 and the base is 2x - 6, which represents the height?2x 5 2x - 7 - 2x - 7 2x 5 -

Y^2 - 14y + 48 = 0 Solve the following quadratic equations by completing the square.

A sports company wants to package a ball with a 1.5-inch radus in sets of two. They have two options: a cylinder or a square prism

Minutes spent on homework 18,20,22,11,19,18,18 find the median and mode

Each week, Darin's Lawn Service mows 90 lawns in 45 hours at a housing complex. The lawns in the complex are the same size. At this rate, how many hours will it take Darin to mow 12 lawns?

What is the answer for x in x/5 = 7

Can the numbers 1 3 5 7 make two numbers whose product is 1767

Jamal is making pancakes. He has 6 3/4 cups of batter, but he needs a total of 12 cups. How much more batter does Jamal need?