Chris drew a diagram to expand (x + 1) (x+3) 4
23
3x?
6
3
43
7
a. Explain Chris' mistake. (2 pts for identifying the error and writing your answer in a complete sentence, 1pt for identifying the error but not writing your
answer in a complete sentence. O pts for not identifying the error.
b. What is the correct expanded form of (3x + 4) (2x + 3)

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