The ages of attendees at a birthday party are shown below. Which of the following is closest to the mean age of the attendees? 11, 12, 12, 12, 12, 14, 15, 17, 18 (1) 12.9
(2) 13.2
(3) 13.7
(4) 14.1​

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

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

Ofis to ? o y=-3x-4o y=-3x+(-4)o y=-4 + 3xoy=-4-3x