Consider the expression (r + s)(x + y).

Which expression is NOT equivalent to the given expression?
A) (r + s)x + (r + s)y
B) r(x + y) + s(x + y)
C) (s + r)(y + x)
D) (r + x)(s + y)

Three coins are flipped. what is the probability that there will be at least two tails?

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

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4