stockerromeo23 stockerromeo23 08-10-2020 Mathematics contestada An expression is shown below: 3(9a + 6b) – (5a + 2b) Part A: Simplify the expression shown above. Part B: If a represents apples that cost $0.35 each and b represents bananas that cost $0.20 each, what is the total cost based on the expression above?