Chuck's house weighs 100,000 pounds. he removes all of his belongings, which weigh 10,000 pounds. movers are using crib jacks to lift the house, which can only handle up to 15 tons of weight each. how many crib jacks will the movers use to lift chuck's house?

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.

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.