A store is selling two mixtures of coffee beans in one pound bags. The first mixture has 12 ounces of Sumatra combined with 4 ounces of Celebes kalossi, and cost $42. The second mixtures has 4 ounces of Sumatra and 12 ounces of Celebes kalossi, and costs $30. How much does one ounce of Celebes Kalossi cost ?

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 .