Arlene found the markers she needed for a project at an art store. The store sold a pack of 5 markers for $2.99, a pack of 10 markers for $5.49, a pack of 20 markers for $9.00, and a megapack of markers that had
50 markers for $20.00. Arlene bought the pack of markers that cost $0.45 per marker. Which pack did Arlene
buy?

A. 20-pack of markers
B. 5-pack of markers
C. 10-pack of markers
D. 50-pack of markers

Abig remake 100 loaves of bread in one day how many loaves does the bakery make in 6 days

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.

The length of a field is 100 yards and its width is 75 yards. if 1 inch represents 25 yards, what would be the dimensions of the field drawn on a sheet of paper?