The radius of a sphere is 6 units. which expression represents the volume of the sphere, in cubic units?
π(6)2
π(6)3
π(12)2
π(12)3

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?

Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices