1. What is the solution to the system of equations? Use the substitution method to solve the system of equations. Show all of your work!

y = x + 5

4x - 4y = - 20

What is 4m-3n=8 solve for m

Roxanne bicycles 12 kilometers west to get from her house to school. After school she bicycles 5 kilometers north to her friend ellen's house. How far is Roxanne's house from Helen's house measured in a straight line?

Evaluate the expression 8 (36*8-204) : 6

In the equation y = - 2x = 6, what is the slope? y-intercept?

Difference between 1 and 1/4 and 3/8

The circular base of the cone has a radius of 5 cm. The height of the cone is 12 cm and the slant height is 13 cm. What is approximate surface area of the cone? Use 3.14 as pi and round to the nearest whole number!

A group of seven students were asked how much tv do you watch a day Here are their response 12, 5, 5, 4, 10, 15, 16 Find the mean number of hours for these students. If necessary, round your answer to the nearest tenth.

Determine whether the given description corresponds to an observational study or experiment In a study of 418 students with a particular disease, the subjects were monitored with an EEG while asleep Does the given description correspond to an

Ashley is preparing for a horse riding competition. She has trained her horse for 4 hours and has completed 152 rounds. At what rate has Ashley ridden her horse in rounds per hour

3 (4y+5) using distributive property