14. Lauren is at a friend's home that is several miles from her home. She starts walking at a constant rate in a straight line toward her home. The expression - 21 + 10 gives the distance, in miles, that Lauren is from her home after t hours. Answer the following questions using the information above. a. How many miles away from her house did Lauren start?

b. How fast is Lauren moving towards her house?

c. Why is the rate negative?

d. How far away from her house is Lauren after 4 hours?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

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

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