List all the possible rational roots of 4x^3+8x^2-x+5=0

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

9/10 divide by -3/15 as a mixed number

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