Looking at the means of the samples which of these
values is least likely to be the mean of the population
the samples were taken from?
123
18.4
19.0
19.5

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y

Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.