Select all polynomial expressions that are equivalent to 5x^2+7x-4x^2+5 A:

13 x 5

B:

5x3-4x 2 + 7 x + 5

C:

5x3+4x \boldcdot 2 +7 x + 5

D:

5+4x-7x2+5x3

E:

5+7 x-4x2 + 5x3

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?