Since

, you have


Since

, and

, you know that

is also positive, which means
A^2 -121 = a^2 -11^2 = (a-11)(a+11)
so the second choice is right sure
Answer:
16 and 21/44 or 725/44
Step-by-step explanation:
convert 6 and 1/4 into an improper fraction; 25/4
convert 2 and 7/11 into an improper fraction; 29/11
multiply them together.
× 
you can do 25 × 29 to get 725
you can also do 4 × 11 to get 44.
725/44 simplifies to 16 and 21/44.
Answer:
It would be 2001 and 2002
Hope this helps you :)
Answer:
kg
Step-by-step explanation:
1pound is 0.45kg