Write a system of equations and solve. Cathy paid 42 cents for a pencil and two erasers. Ron paid 91 cents for five pencils and three erasers. What we’re the prices of pencils and erasers?

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