Solve the system of linear equations. Use linear combination aka elimination method.

3x + 4y = 52

5x + y = 30

The physical education instructor asks each student to do a total of 36 pull-ups and push-ups in 3 minutes. The instructor wants to do 8 times as many push-ups and pull-ups. Write a system of linear equations that represent this situation.

The volume of a cone is 82,418π cm3. It has a diameter of 203 cm. What is the height of the cone? Round your answer to the nearest whole number.

A wall has an area of 40 ft. It's height is 8 feet. Which equation could you use to find its width. Answers 40 - w = 8 8w = 40 8+w=40 W/8=40

Simplify (4x+7) - (-3x-9) + 9x-28

Keith brought a package with 2 9/16 pound of of ground meat to make hamburgers. He has 2/5 pound of ground meat left. About how many pounds of ground meat did he use for the hamburgers?

How to convert 24cm to L

Which of the following is not an attribute of a linear equation? The equation has a single variable. The variable must be raised to the second power. The equation is of the first degree. The equation has an equal sign.

Write down the 3rd term in the sequence given by t (n) = 2n*2

Sarah's age is five less than twice her sister's age. Sarah is fifteen years old. Which equation could you use to solve for the age of Sarah's sister? 2x - 5 = 15 2 (15) - 5 = x 15 = 5 - 2x 15 - 5 = 2x

2. Janice is buying paint to paint her new apartment. The store sells paint in one-gallon cans. How accurate does her estimate need to be for the amount of paint needed? 3. A city planner is measuring the distance of one city block.