Solve the equation
-2(4x-5)=2x

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

How do you write something in scientific notation?

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible