What is the product of (-3s+2t) (4s-t)? A: -12s^2 -2t^2
B: -12s^2 + 2t^2
C: -12s^2 + 8st - 2t^2
D: -12s^2 + 11st -2t

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice