An official playing field (including end zones) for the Indoor Football League has a length 43 yd longer than its width. The perimeter of the rectangular field is 190 yd. Find the length and width of the field.

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.