Pl help it for homwork

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

Which rational number could be graphed between -4 and -5

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1