Which data set has a larger standard deviation?

Aparallelogram has two side lengths of 5 units. three of its sides have equations y = 0, y = 2, y = 2x. find the equation of the fourth side.

Given: and prove: what is the missing reason in the proof? given transitive property alternate interior angles theorem converse alternate interior angles theorem

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)