Answer:
the plane is traveling with a speed of 156.44mph
Step-by-step explanation:
Find the attached explanation.
Answer:
The third exterior angle is 
Step-by-step explanation:
Given


Required
The third exterior angle 
The exterior angles of a triangle add up to 360 degrees.
So:

Make
the subject

Substitute known values


1/2 ÷ -3/7 = -7/6 The answer is -7/6
I don’t know ♀️ I am very sorry
I'm only answering because the app told me i need to help someone before I can ask another question, but I can't help because I don't know what to help you with so