emma has $2.40 worth of nickels and dimes. she has a total of 30 nickels and dimes
altogether. graphically solve a system of equations in order to determine the number
of nickels, x, and the number of dimes, y, that emma has.

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