Which function is equivalent to h(x)=10x2+9x-1? A. h(x)=(x-1)(10x+1)

B. h(x)=(x+1)(10x-1)

C. h(x)=(10x+1)(x+1)

D. h(x)=(10x-1)(x-1)

How to do this , and can some one explain

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

Solving algebraic equations 2m+3=11