Answer is D because you can't simplify 12/70.
(At least... not on the answers)
The first one. A is the answer
First, we get rid of the negative exponent in the parenthesis. We do this by moving it to the top. Our equation is now:

Next, we can cross out one n from both the top and the bottom.

Finally, we evaluate the -2
Our equation becomes:

This becomes:

This can not be simplified any further, so this is the final answer.
Answer: 4.84 pounds now
Step-by-step explanation: im sorry if its wrong but it should be that
Large: 17 Small: 52
Just do 104 divided by 6 and 104 divided by 2.