Isaac keeps track of the miles per gallon his car gets per week. he has accumulated the following data:

(1, 24), (2, 24.48), (3, 24.97), (4, 25.47)

what is the common difference or ratio?

the common difference is 0.48.
the common difference is 0.50.
the common ratio is 0.98.
the common ratio is 1.02.

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39

The four students in the table below each recorded the time and distance traveled while exercising. exercising distance (miles) time (minutes) gia 2 30 harris 5 50 ian 3 40 jackson 4 80 which list ranks the students from fastest walker to slowest walker? jackson, gia, ian, harris harris, jackson, ian, gia harris, ian, gia, jackson jackson, harris, ian, gia

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours