Drew has 50 red, green, and blue marbles. he has six more red marbles than blue marbles and four fewer green marbles than blue marbles. write and solve an equation to determine how many blue marbles drew has.

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.