Answer:
Its 2πr^2
Step-by-step explanation:

Answer:
the period of the graph of 4cos(1/2x)-3 is twice as long as the period of 4cos(x)-3
Answer:
216*y*y*y*y
Step-by-step explanation:
6 cubed is 216, and y^4 expanded is yyyy. So if I'm understanding correctly, you want as your answer:
216*y*y*y*y
Answer:
67
Step-by-step explanation: