Ineed sorry for bothering everyone.

two supporting reasons are missing from the proof. complete the proof by dragging and dropping the appropriate reasons into each of the empty boxes.

given: m∥nm∠2=60°

prove: m∠7=120

Step-by-step explanation:

We know that:

So, based on those deductions:

Then,

All these angles are the same, because they are opposite (1 and 3), alternate interior (5 and 5), and opposite (5 and 7).

Therefore,

an altitude of 15,000 feet

step-by-step explanation:

{3 + i, 3 - i, 3, -1}

step-by-step explanation: