Tanya built a garden in her backyard that measured 18 ft by 20 ft and built a fence around it. Later she decided to change the size of it to 12 ft by 33 ft, How much extra fence does she need to buy to build around her new garden? PLS HURRY

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