Me plz! a rectangular aquarium measures 21 inches long by 11 inches wide by 18 inches tall. if the aquarium is filled to the 15 inch mark what is the volume of the water in the aquarium?

Asystem of equations is given below.y= 1/2x-3 and y=-1/2 x-3which of the following statements best describes the two lines? a.they have the same slope but different y-intercepts, so they have no solution.b.they have the same slope but different y-intercepts, so they have one solution.c.they have different slopes but the same y-intercept, so they have no solution.d.they have different slopes but the same y-intercept, so they have one solution.html