Answer:
169
Step-by-step explanation:
13^2 is really just 13 times 13 which equals 169
I think this should help a bit
Answer:
See below.
Step-by-step explanation:

First, factor the numerators and the denominators:

Now, make the two denominators equivalent. To do this, we can multiply the first term by (z+1) and multiply the second term by 2. This will give us:

Now, combine them since they have a common denominator:

This cannot be simplified further.
Is the answer..
3, 6, 9, 12, 15, 18, 21, 24, 27, 30 ?