In terms of pi what is the volume of the sphere 60 ft radius

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)