The Census Bureau reports that if you were to select any random person from the United States, there is a 77.5% chance that the person is 18 or older. Identify the method of probability that was used in order to reach this conclusion.

Somone me i want to know what 18 hours out of 24 hours in a fraction

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Someone answer this asap for the first five terms of a sequence are shown. 5, 11, 23, 47, 95, . . which recursive function defines the nth term in the sequence for n > 1? a. f(n) = f(n - 1) + 6 b) f(n) = f(n - 1) + 48 c) f(n) = 3 • f(n - 1) + 1 d) f(n) = 3 • f(n - 1) - 4