Solve the linear equation below using the substitution method

x-3y=7
2x+3y=9

Classify the following triangle check all that apply

What is the first quartile of the data set? 10, 11, 12, 15, 17, 19, 22, 24, 29, 33, 38 a. 12 b. 19 c. 29 d. 10

If the dimensions of a rectangular prism are 5 ft x 3.5 ft x 2 ſt, what is the surface area?