Solve each linear equation by subsitution or elimination

4x-y=-1

2x+y=7

What is 31.415 rounded to the nearest cubic unit

Val has 2 hr to finish a slide presentation. It takes her 1/6 hr to create each slide. Will Val have enough time to create 10 slides

6 more than 3 times x

Julie is making a triple batch of cookies from a recipe. She will divide up the cookies by giving 3/5 of a (single) batch to each class she visits tomorrow. To how many classes will she be delivering cookies tomorrow

What is the next term in the geometric sequence shown below? -13, 26, - 52, 104, ... -416 -208 115

Is the probability of (AnB) the same as P (A) x P (B) ? If not, how can P (AnB) be calculated?

Solve the equation for the given domain. Graph the solution set. 3x - y = 1 for x = {-1, 0, 1, 3}

This circle graph shows where students in two sixth-grade classes volunteer after school. Fifty students were surveyed. What percent volunteer at the animal shelter? Animal shelter: 11 Library:6 Nursing home:19 Hospital:14

3x-10+25+x+15=180 degrees

A shirt company has 4 designs each of which can be made with short or long sleeves. there are 6 color patterns available. how many different types of shirts are available from this company