Sam's Fruit Cellar earns a $0.40 profit for each apple that it sells and a $0.40 profit for each banana that it sells. Which expressions show Sam's total profits from selling apples (a) and bananas (b)? Select two that apply. 1 0.40(a+b) 2 0.40a+0.40b 3 0.80(a+b) 4 0.40+a+0.40+b 5 0.40(ab) 6 0.80(ab)