Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression

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

What is the length and width of a 84.5 square foot rug? will mark

Are the corresponding angles congruent? explain why or why not.