Afootball player starts on the 20 yard line and gains 9 yards. on the next play, he loses 4 yards. the referee says there’s a penalty and takes away the 4-yard loss of yardage. which expression represents the total number of yards gained? a) 20 + 9 – 4 – (−4) b)20 + 9 – 4 + (−4) c) 20 + 9 – 4 – 4 d)20 + 9 + 4 – (−4)

Select the correct answer from each drop-down menu. the table shows the annual sales revenue for different types of automobiles from three automobile manufacturers. sales revenue (millions of dollars) suv sedan truck marginal total b & b motors 22 15 9 46 pluto cars 25 27 10 62 panther motors 26 34 12 72 marginal total 73 76 31 180 the company with the highest percentage of sales revenue from sedans is . of the annual sales revenue from suvs, the relative frequency of pluto cars is .