The distance from phoenix to tucson is 120 miles. a car made the journey in 1 hour and 45 minutes. what was the average speed of the car in miles per hour?

What is the product? a-3/15a × 5/a-3

Data for the height of a model rocket launch in the air over time are shown in the table. darryl predicted that the height of the rocket at 8 seconds would be about 93 meters. did darryl make a good prediction? yes, the data are best modeled by a quadratic function. the value of the function at 8 seconds is about 93 meters. yes, the data are best modeled by a linear function. the first differences are constant, so about 93 meters at 8 seconds is reasonable. no, the data are exponential. a better prediction is 150 meters. no, the data are best modeled by a cubic function. a better prediction is 100 meters.

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?