Allie bought a bouquet of flowers and thought that there was 35 flowers in the bouquet but there was actually 52. What was her percent error rounded to the nearest TENTH of a percent?

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)

How do you solve questions 29 and 31?