An accident victim gets 0.5 pints (pt) of blood and 750 milliliters (ml) of an intravenous (iv) solution. what is the ratio of blood to the intravenous solution in lowest terms?

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.