Alisa hopes to play beach volleyball in the Olympics someday. She has convinced her parents to allow her to set up a beach volleyball court in their backyard. A standard
beach volleyball court is approximately 26 feet by 52 feet. She figures that she will need
the sand to be one foot deep. She goes to the hardware store to shop for sand and sees
the following signs on pallets containing bags of sand.
Choice A: 50lbs for $5 Choice B: 150lbs for $12
a. What is the rate that Brand A is selling for? Give the rate and then specify the unit rate.

If your score on your next statistics test is converted to a z score, which of these z scores would you prefer: minus2.00, minus1.00, 0, 1.00, 2.00? why? a. the z score of 2.00 is most preferable because it is 2.00 standard deviations above the mean and would correspond to the highest of the five different possible test scores. b. the z score of 0 is most preferable because it corresponds to a test score equal to the mean. c. the z score of minus2.00 is most preferable because it is 2.00 standard deviations below the mean and would correspond to the highest of the five different possible test scores. d. the z score of minus1.00 is most preferable because it is 1.00 standard deviation below the mean and would correspond to an above average