I'm needing you to show ur work please?

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

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