Quadrilateral jklm has vertices j(-4,-1), k(-1,2), l(6,2). for what coordinates of point m is jklm a parallelogram?
a: (3,-2)
b: (3,-1)
c: (4,0)
d: (4,-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?