Evaluate the expression 8x for x=2

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

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