On its opening day, a car dealership had an inventory of 29 cars. During the first six months, 18 additional cars were purchased by the dealership each week and the sales team sold an average of 15 cars each week.
write an equation that best models the total inventory at the dealership after a number of weeks.
Be sure to assign and define variables. Explain the role of each variable in your equation.

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.