If f(x) = 3x2 + 1 and g(x) = 1 – x, what is the value of (f – g)(2)?

Which shows the graph of the solution set of 3y – 2x > –18?

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.

Given the net of the rectangular prism, what is its surface area?