Prove abc = cda, ive done most of it

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?

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?