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2) Prism X is shown below. The volume of Prism Y is 10 cubic centimeters greater than the

volume of Prism X.

KEY

1 cubic centimeter

Prism X

a. What is the volume of Prism X?

b. What is the volume of Prism Y?

C. What could be the length, width and height of Prism Y?

What is the slope of the line shown below?

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.

Peyton's field hockey team wins 4 games out of every 7 games played. her team lost 9 games. how many games did peyton's team play?