betsy bought 6 bags of rice weighing a total of 30 lb.

what is the rate of number of bags to pounds?

1/24
5/30
1/5
6/24

The length of each stair is 11 inches. what is the rise, r, for each stair? round to the nearest inch. 2 inches 7 inches 17 inches 24 inches

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.