In a pair of triangles, if two pairs of corresponding sides are proportional, and the angles in between the two pairs of corresponding sides are congruent, then the triangles are similar. triangle abc is similar to triangle mno. solve for the value of the missing side

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