Is -2 and 2 perpendicular slopes

Find percent notation for 0.008 0.008=

Evaluate the expression. (9 + 5)(3 + 2)0

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?