Point C represents the center of the sphere. What is the name for the part of the sphere labeled A?

• Diameter
• Great Circle
• Center
• Radius

Translate this phrase into an algebraic expression. 21 more than twice goran's savings use the variable g to represent goran's savings. need to know fast.

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.