Which number is the closest approximation to the value of V51?
1) 7
2) 8
3)25
4)26

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.

Find the measure of anglec in the following triangle

Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0). what are the directrices?