I need help with a/d​

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

2/3(-6y+9x) expand each expression using the distributive property

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?