Which action will change the mode of the data set shown?
Data
Frequency
5
19
20
3
26
6
29
3
OA.
adding two more 26s
ОВ.
adding two more 195
OC.
adding two more 20s
OD.
removing one 19
Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?