Ingram co. manufactures office furniture. during the most productive month of the year, 3,500 desks were manufactured at a total cost of $84,400. in its slowest month, the company made 1,100 desks at a cost of $46,000. using the high-low method of cost estimation, what is the variable cost per unit at the 3,500 level of operations?

Complete the input-output table for the linear function y = 3x. complete the input-output table for the linear function y = 3x. a = b = c =

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.

Change negative exponents to positive. then solve. round to four decimal places