PROFIT The monthly profit of a skateboard company is 120x – 2,240, where x represents the number of units sold. Find the monthly profit if the company sells 42 skateboards. PLSSS HELPP Giving brainliest

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

3382-299=3383- ? fill in the blank?

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.