The local farm raises horses and goats. Let x represent the number of horses on the farm.
The number of goats is 5 less than the number of horses.
The total number of horses and goats on the farm is 21.
What is x, the number of horses on the farm?

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