A triangle has side lengths of (2.2w - 2.3) centimeters, (3.9w + 5.9) centimeters, and (5.9x - 1.2) centimeters. Which expression represents the perimeter, in centimeters, of the triangle?

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?