5 measure the circumference of the truck of the old tree how can Buzz calculate the approximate diameter of the tree​

Abee with velocity vector r'(t) starts out at (5, −5, −3) at t = 0 and flies around for 5 seconds. where is the bee located at time t = 5 if 5 0 r'(u)du = 0?

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

1: 4 if the wew 35 surfboards at the beach how many were short boards?