Here are a list of numbers 7, 12, 16, 20, 27, 40, 56, 64. a) work out the difference between the two s hare numbers in the list. b) work out the difference between the two cube numbers in the list

Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.