A.) simplify 4a + 7b - 3a + 11b
b.) expand (i) 4(x-3) (ii) f(2f+5)
c.) simplify 5(2x + 1) - 2 ( 3x - 1)

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?