*principle or principal(do these make sense?)

Question

-She was a person of strong PRINCIPAL.
-The PRICIPALS sat together at the district confrence.
-How much of the total in my savings account is PRINCIPAL?
-His hay fever was the PRINCIPAL reason for his sneezing.
-It's not the facts that upset me,it's the PRICIPILES of the case
-The jury heard only the PRINCIPAL facts.
-Our school PRINCIPAL is strict but fair.
-Spend the interest,but don't touch the PRINCIPAL.
-Helping others is a guiding PRINCIPLE.
-In PRINCIPLE,we agree;on the facts,we do not.
-The PINCIPAL course at dinner was leg of lamb.
-Some mathematical PRINCIPLES are difficult to understand.
-The baby was the PRINCIPAL reason for his happiness.

***THANK YOU FOR YOUR HELP***

Answer 1

These are correct.
-The PRINCIPALS sat together at the district confrence.
-How much of the total in my savings account is PRINCIPAL?
It's not the facts that upset me,it's the PRINCIPLES of the case
-Our school PRINCIPAL is strict but fair.
-Spend the interest,but don't touch the PRINCIPAL.
-Helping others is a guiding PRINCIPLE.
-In PRINCIPLE,we agree;on the facts,we do not.
Some mathematical PRINCIPLES are difficult to understand.

http://dictionary.reference.com/browse/principal

Answer 2

do u mean the others are wrong or do you mean all 14 of them are correct

Answer 3

The others are wrong.