Read the following statements: I. All rectangles are parallelograms.
II. All trapezoids are parallelograms.
III. All squares are parallelograms.
Which of the above statements are true?

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.