If he bought 215 lbs of cement and his son brought another 137 lbs how much cement did he have orinally if he now has 450.

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

An octagonal prism has jow many lateral faces?

What is the sum of the first 8 terms of the geometric series