Can someone please help me please?

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

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.