Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Three times the sum of a number and seven is negative thirty-six. what is the number?

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

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