George is building a chicken coop for his roosters and hens that is 72.3 square feet. Each rooster needs to have 4.1 square feet of space and hens need 4 square feet each. Let r represent the number of roosters and h represent number of hens. Which expression below describes the number of roosters and hens George can put in his coop?

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.

Find the value of ax 4 ; a = 2, x = 1. select one: a. 2 b. 4 c. 1 d. 8

What is the slope of the line that contains the points (-2,1) and (0,-3)