1. factor the trinomial: x2 + 22x + 72
a. (x + 2)(x + 36)
b. (x + 4)(x + 18)
c. (x + 6)(x + 12)
d. (x + 2)(x + 11)
2. solve the equation using factoring.
x2 + 7x + 12 = 0
a. {-3, -4}
b. {3, 4}
c. {-2, -6}
d. {2, 6}

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?