What multiplies to -120 and adds to -14

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

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)?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .