That's a lot of questions but everything is a yes for me, anything else is an i I Don't Know
Answer:
Mnemonic devices help learning easier by coming up with some "nonsense" phrases like:
Please P Parenthesis
Excuse E Exponents
My M Multiplication
Dear D Division
Aunt A Addition
Sally S Subtraction
(Just an example)
Some might be more effective than others because they ae easier to remember.
Jason Scarpace is also known as J. Vincent Scarpace..
He is best known for his abstract fish art..(given above in the figure).
I believe the answer is monophonic