1. what are the values of a, b, and c in the quadratic formula given the equation 3x^2-x= 4? a. a=3, b=0, c=-4 b. a=3, b=1, c=4 c. a=3, b=1, c=4 d. a=3, b=-1, c=-4 2. what is the first correct step for solving the equation, x^2+x=12 ?

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