Systems of equations?

X-2y=-8

6x+7y=9

Solve

If two numbers have a difference of 142, and one of them is x + 142, then the other is

Marlin is two years older than reese, and the same age as lee. if lee is 12, how old is reese

Leonardo is making gift packages. He has a cone shaped package and a cylindrical package. The cone & the cylinder have the same radius and height. He wants to use the package with the greatest volume.

Residuals should either be all positive or all negative. true or false?

A parking garage has a tented area with a slanted roof. A rectangular prism and a triangular prism. The rectangular prism has a length of 40 feet, width of 15 feet, and height of 20 feet.

A polygon with three sides is called a

Which of the following is the inverse operation of subtraction?

What is the answer too - 6/7 x 3/8

4,12,36,108,324 identify the pattern

Question It takes Jan twice as many hours to walk 6 miles as it takes Bev to walk 4 miles. What is the ratio of Jan's average walking rate to Bev's average walking rate?