David washes all 24 windows in his house he washed 6 windows each mr big and 2 windows each afternoon How many days did it take him to wash all of his windows?

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

What is the first step of an indirect proof of a number that is divisible by two

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