12. Find the equation of the parabola that passes through the points (2, 127), (3,141), and (5,73). Use a system of equations and matrices for full credit. Leave your answer in the form y = ax? + bx+c.

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.