Which equation can be used to solve for x in the diagram ?

Can someone help please and ty. ❤️

What is the volume of the sphere shown below with a radius of 3?

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?