Morgan likes to put the same number of trophies on each shelf of her trophy case. She has a total of 75 trophies, and each shelf holds 15 trophies. This is represented in the equation 15s = 75, where s represents the number of shelves. How many shelves are in Morgan’s bookcase? A. 5

B. 90

C. 60

D. 1,125

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

Why is partitioning a directed line segment into a ratio of 1: 3 not the same as finding the length of the directed line segment?

Abottled water distributor wants to estimate the amount of water contained in 1-gallon bottles purchased from a nationally known water bottling company. the water bottling company’s specifications state that the standard deviation of the amount of water is equal to 0.02 gallon. a random sample of 50 bottles is selected, and the sample mean amount of water per 1-gallon bottle is 0.995 gallon a. construct a 99% confidence interval estimate for the popula-tion mean amount of water included in a 1-gallon bottle. b. on the basis of these results, do you think that the distributor has a right to complain to the water bottling company? why? c. must you assume that the population amount of water per bottle is normally distributed here? explain. d. construct a 95% confidence interval estimate. how does this change your answer to (b)?