Answer:
10.1
Step-by-step explanation:
The point A is located in quadrant II
The coordinate of the origin is always (0,0)
Answer with Step-by-step explanation:
Let F be a field .Suppose
and 
We have to prove that a has unique multiplicative inverse.
Suppose a has two inverses b and c
Then,
where 1 =Multiplicative identity

(cancel a on both sides)
Hence, a has unique multiplicative inverse.
The candle would be 4.5 inches tall after three hours.