Answer:
Step-by-step explanation:
=64a^6−27b^6
Yes, they are. The correct answer is the middle answer on the picture.
6*12=72 thus you can reduce the fraction to-
1/12
32,000 and 42,000. I know this because the question states "Two Thousands." 32,000 and 42,000 are both two thousands because 32 and 42 both end with 2's because of the "Two" in "Two Thousand."