If A = {2,3,5, 7, 9, 11, 15} and B = {2,4,6, 9, 10, 14, 16} how
many elements are there in the
intersection of these two sets?

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?