After doing aerobics, mia walked on the treadmill. the table shows the total number of calories she burned from exercising after walking for different lengths of time. mia graphed this information.

what is the slope of the line that represents this situation?

number of minutes walking 5 12 20 35
calories burned 15 36 60 105

Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.