What are the factors of the polynomial: x^3 + 5x^2- 17x-21
a. (x-7)(x-3)(x + 1)
b. (x+ 7)(x-3)(x - 1)
C. (x + 7)(x + 3)(x + 1)
d. (x+ 7)(x-3)(x + 1)

Your friend swims on the school team. in his first four races, his times are 24.7, 23.5, 25.6, and 27.2 seconds. which time listed for his next race would make the range larger?

Find the value of x for which the lines are parallel.

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