What is the value of the expression
(-1.25)(.5)(4)

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 the period of the sinusoidal function ?

Ebert used to make $22 an hour, but got a 10% raise. how much more will he make in a 40 hour work week with raise?