P (k) = 5k²-3k-2 y k son los valores del intervalo [2, 5] cual es intervalo del precio

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)