Uri asked six friends how many different foreign countries they'd been to. He recorded 0, 1, 1, 2, 5, and 9 countries visited. What is the mean absolute deviation of countries visited?
Round to the nearest tenth, if needed.
0 0
O 2.7
0 2.9
O 3

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

Solve the equation using the zero-product property. -3n(7n - 5) = 0 a. 0, -5/7 b. -1/3, -5/7 c. -1/3, 5/7 d. 0, 5/7

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be