Suppose that 83% of the families in a town own a cellphone. If 10 families are surveyed at random, what is the probability that exactly four families own a cellphone?

what is the probability that at least seven families own a cellphone?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.

Need to finish my juan wants to build a greenhouse in his back yard. he needs to maximize the ratio of floor area to structure volume in order to provide the most room for plants while minimizing the area to be heated. find the description of the structure that best meets juan’s criteria. a.) a hemisphere with a diameter of 12 feet b.) a cube with a side length of 12 feet c.) a cone with a diameter of 12 feet and a height of 10 feet d.) a square pyramid with a base side length of 12 feet and a height of 9 feet