Find the sum or difference. b-035 - 10.25)

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

If rt is greater than ba, which statement must be true ?

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2