Which of the following expressions could be interpreted as "a number times negative seven added to five equals two"?
x - 7 + 5 = 2
5 + 7x = 2
-7x - 5 = 2
5 - 7x = 2

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)?

What is an alternate exterior angle

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?