68-40=28
28/4=7
therefore, 7 is your answer
(Hope it helps my friend ^_^)
Simple...
when they ask for the rate of change they ask for
slope -->>
Using

to find the rate of change for (-3,0) and (-2,-5)



m=-5
Thus, your answer.
24 hours
Because 24 hours equals 1 day or one rotation of the clock
It increased just subtract it that u will he’s y answer