Please help me on this

Jim had 15 minutes to do 5 laps around his school what would his time be

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.