What number between 0 and 20 has four factors?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

Which strategy is used by public health to reduce the incidence of food poisoning?

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.