Cylinder is 9 inches high, and has a base with a radius of 5 inches. If you fill half the cylinder with water, what volume of water would that be?

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?

What is the circumference of a circle with an area of 50.24 cm²?