North
a, b, c and d are four towns.
bis 30 kilometres due east of a.
c is 30 kilometres due north of a.
d is 45 kilometres due south of a.
a) work out the bearing of b from c.
30
b) calculate the bearing of d from b.
30
45

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