7. In a sports club with 30 members, 17 play badminton, 19 play tennis, and 2 do not play either. How many members play both badminton and tennis? *
1 point
A.7
B.8
C.9
D.10
E.11

The sum of two numbers is 86, and their difference is 20. find the two numbers

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

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers