What is the simplified form of the expression square root of 1/144?

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

What is the sum of these mixed numbers 4 2/3+ 3 1/9

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?