Two Dice are rolled: one is red and the other is white.

a) How many outcomes are possible? 6x6(each dice)=36

b) Determine the probability that the sum of the two dice totals anything but seven? I don't know how to approach this one I cant get the answer which is 5/6.

c) Determine the probability that the sum of the two dices totals seven? same thing but the answer is 1/6.