Arandom sample of 169 observations is to be drawn from a population with a mean of 80 and a standard deviation of 39. find the probability that the mean of the sample will exceed 85.

Acontractor needs 54 square feet of brick to construct a rectangular walkway. the length of the walkway is 15 feet more than the width. write an equation that could be used to determine the dimensions of the walkway. solve this equation to find the length and width, in feet, of the walkway.

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.

How much orange juice do you need to make 2 servings of lemony orange slush?