Reeves earned it basically from his acting career. Hope this helps!
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.
August Burns Red is a metalcore band. My brother loves them. Have a good day! ;-)