How do i regroup the integers of -5+13-6+2

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?