Jack's Plumbing charges customers $100 per hour for repair jobs. A-1 Plumbing charges according to the equation y=75x+50 , where x = time in hours and y = cost in dollars. Explain why A-1 Plumbing charges less than Jack's Plumbing for a 4‑hour repair job.

Does A-1 Plumbing charge less than Jack's Plumbing for all repair jobs? Explain why or why not.

If a =6, what is the value of 2a(3b + 5c)?

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 far could you drive on 50 gallons of gas