4x - 2y +z = 6, -2x + y = -4, 3y - 2z = 4 x= y= z=

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

Look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?

Which expression is the factorization of x^2+10+21