107. sheila is painting identical circles on her
bedroom walls as decoration. the diameter of
each circle is 2 feet. if she has enough paint to
cover 999 square feet of surface area, how many
circles can she paint? (use the approximation
333/106 for pi.)
a. 79
b. 159
c. 318
d. 3,138

The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes