Answer:
See all workings below.
Step-by-step explanation:
Hey there!
Let's pull out the multiples of each number and see which ones fall in line first.
9,18
6,12,18
The LCM is 18. Therefore, answer B and D are incorrect. A is incorrect because 9 * 6 is 54. Therefore, the answer is C.
I hope this helps!
D. 180 degrees
A straight line is 180 degrees.
