Candida has a revolving credit account at an annual percentage rate of 24%. Her previous monthly balance is $549.79. Find the new balance using the previous month's balance method if Candida's account showed the following activity: Payment, $143.30; Country Lumber (charge), $230.18; Zahir Antiques (credit), $398.05; Mountain Vineyards (charge), 204.94; Bart's Garage (charge), $214.21

Larry's Fish Market buys salmon (S) for $5 per pound and a local whitefish (W) for $3.50 per pound. Larry wants to minimize his cost, but he cannot spend more than $160. The objective function that minimizes these costs for Larry is:

A) 5S + 3.5W ? 160. B) Min 5S + 3.5 W. C) Max 5S + 3.5 W. D) Min 5S + 3.5W ? 160.

A combination of effective Gantt chart use and other tactics allowed Delta to cut the average time for a plane layover by what % of the original 60 minute duration?

A) 33%, to 40 minutes B) 50%, to 30 minutes C) 20%, to 48 minutes D) 25%, to 45 minutes E) 40%, to 36 minutes