Ana preparo chicha morada con 30 porciento de maiz morado y 70 porciento de agua. si bebio el 30 porciento de la chicha morada y reemplazo esa cantidad de agua. que porcentaje de la nueva mezcla es concentrado de maiz morado?

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39