You buy a bicycle helmet
for $22. The helmet is
discounted 30% off the
selling price. What is the
original price of the bike?

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?

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