What is the standard deviation of the data set? 1, 4, 2, 2, 8, 7, 3 Round your answer to the nearest tenth.

(hurry! ) which expression is equivalent to the following complex fraction?

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form