Answer:
six x minus y.
Step-by-step explanation:
In changing it to verbal expression, you are essentially changing all the signs into words. Write it like how you will say it.
~
21-6=15
The range of the set is 15
Yes what he or she said because they are correct.
Answer:
all you need to do is to multiple
Check the picture below.

since the distance AB cannot be a negative value, thus is not -3-√(130).