Identify the real and imaginary parts of the complex number -5+6i
a) real 5, imaginary 6i
b) real -5, imaginary 6
c) real 11, imaginary 6
d) real 11, imaginary -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?