Assuming you meant #13,
conditional: if you are a Clemson fan, then you root for the Tigers. T
converse: if you root for the Tigers, then you are a Clemson fan. F: not a Clemson fan and root for the Tigers as well
inverse: if you aren't a Clemson fan, then you don't root for the Tigers. F: if you aren't a Clemson fan and root for the Tigers.
contrapositive: if you don't root for the Tigers, then you aren't a Clemson fan. T
conditional: if a then b
converse: if b then a
inverse if not a then not b
contrapositive: if not b then not a
Hope this helps
Answer:
yes 2 is prime number because it has only two factor
2a+13a+30
15a+30
That would be your answer. Hope this helped!
-TTL