What is the solution to the following system? y = 3x
12x - 4y = 20

1. no solutions
2. (0, 20)
3. (0, 0)
4. infinite solutions

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Astrid spent $36 on new shoes. this was $12 less than twice what she spent on a new skirt. part a: which equation would solve for how much she spent on the skirt? part b: solve the equation in the workspace provided below. how much did astrid spend on her skirt?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?