Can do please help me my birthday is Friday and I can’t do anything unless I pass this test so I’m asking if anyone can help me I will be so grateful

Which is f(5) for the function –2x2 + 2x - 3?

On ryan's last social studies test there were two types of questions true/false worth 3 points each and multiple choice questions worth 4 points each

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.