The graph shows the distance George traveled over a period of time.    Mark's Road TripDistance (miles) Time (hours) What is the constant of proportionality that relates the number of miles George traveled, y, to the time it took him to travel those miles, x? ResponsesA 12 miles per hour12 miles per hourB 18 miles per hour18 miles per hourC 24 miles per hour24 miles per hourD 36 miles per hour36 miles per hour

It took a racecar driver 3 hours and 20 minutes to go 500 miles. What is the constant of proportionality that relates the number of miles traveled, y, to the time, x? ResponsesA 166.7 miles per hour166.7 miles per hourB 170.5 miles per hour170.5 miles per hourC 130 miles per hour130 miles per hourD 150 miles per hour

Justin runs at a constant rate, traveling   in   hours.Write an equation that shows the relationship between  , the distance he runs in kilometers, and  , the time he spends running in hours.Do NOT use a mixed number.

Select the correct answer.Jason is traveling by car from his home to his office. He has gone 3.5 miles so far. From this point on, he can cover 100 miles every 2 hours. What is the equation of a line that models the total miles traveled, y, in x hours after this point?

The graph shows the relationship between miles per hour and kilometres per hour.Use the graph to write the missing numbers in the sentences below. In a country, the speed limit in towns is 70 kilometres per hour, which is miles per hour

Melissa is driving along a highway at a constant speed of 65 miles per hour.How long does it take her to travel 90 miles? Make sure to convert the answer into hours and minutes.An hour and 48 minutesAn hour and 18 minutesAn hour and 33 minutesAn hour and 23 minutes