-3(b + 9) = -6
solving two step equations

Subtract 8 1/6 - 4 5/6 . simplify the answer and write as a mixed number.

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

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