Given the probability density function f ( x ) = 1/2 over the interval [ 2 , 4 ] , find the expected value, the mean, the variance and the standard deviation.

That table shows measurements (in invhes$ from cubes with different side lengths. which pairs of variables have a linear relationship? check all that apply

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

Which of the following is the result of expanding the series