Ahole is cut through the center of a sphere of radius r. the height of the remaining spherical ring is h. find the volume of the ring and show that it is independent of the radius of the sphere

uranium fissions/breaks up giving out energy and neutrons

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles