Wladyslaw wants to water jasmine plants and lily plants in his garden. His goal is to water at least 20 plants
(condition A) with 12 liters of water at most (condition B).
The graph represents the constraints on the number of jasmine J and lily L plants Wladyslaw waters.
What is the least number of jasmine plants Wladyslaw must water to meet both his constraints?

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244