Need help some one pls help me

Do i get charged for my membership before or after the 6 months

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

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.