The answer choice A is correct
O=210/15=14
I hope I was helpful
Answer:
This is an enlargement.
Step-by-step explanation:
This is an enlargement.
A reduction would be smaller
A rotation would be changing the angle and a reflection would be a mirror image
1/3x is the slope of the line i think
Answer: D
Step-by-step explanation:
We know the midline is at y=40, so eliminate A and B.
The period is 160, so 
This eliminates option C, leaving us with D.