The population of the United States is about 3 times 109. The population of the world is about 9 times 10%. Which estimation is most accurate?

What is x3+3x2−16x−48 divided by x−1?

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

Find two numbers if their sum is 91 and the ratio is 6: 7?