If using the method of completing the square to solve the quadratic equation x^2 + 14x – 14 = 0, which number would have to be added to "complete the perfect
square"?

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?