Idon't understand the bottom questions. , it's due for tomorrow!

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?

What is the rate for one gallon of gasoline