answer all 5 questions attached below ,
1. Simplify.
see attachment below- answe

answer all 5 questions attached below ,
1. Simplify.
see attachment below- answer number 15 only.
2. Simplify.
see attachment below- answer number 19 only.
3.  Simplify.
see attachment below- answer number 23  only.
4, Simplify.
see attachment below- answer number 41 only.
5.  Simplify.
see attachment below- answer number 53 only.