O Morgan buys cost? y cartons of apples for $39. How much does I carton of apples​

Which of these tables represents a non-linear function?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

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?