Which equation is in point-slope form for the line passing through the points (-3,-4) and (2,6) A: y - 4 = 2(x + 3)
B: y - 2 = 1/2(x - 6)
C: y + 4 = 1/2(x + 3)
D: y - 6 = 2(x -2 )

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.