Find the volume of a sphere ( the number is a 5 btw if u can’t see)

The triangles are similar. what is the value of x? show your work.

This question awards 100 ! i really don’t want to fail i will also mark you !

Akid's pool is cylindrical and has a radius of 5 feet and a height of 2 feet. if a cubic foot holds about 7.48 gallons of water, how many gallons of water does the kid's pool hold? 21 gallons 52.3 gallons 1,174,4 gallons 157 gallons