Melissa put her cat, herman, on a diet and kept track of his weight. at the end of 4 weeks, she recorded herman's weight change as −412 ounces. she noticed that he had lost the same amount of weight each week.

what is herman's weight change each week of the diet?

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