If x = 3, y=-1 is a solution of the equation 3x - 2y = k, then k is : (a) 12
(b) 10
(c) 7
(d)11

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

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

Solve -.016x= -16. need solving this