The error is that both sides of the equation have a variable. So if you were to combine your like terms, then you'd leave one side without a number and if your teacher is saying there is a left over number then it will be 0
Answer:
60 degrees
Step-by-step explanation:
The angles all have to add up to 180, so you can do

1 degree = 0.0174533 radian
65 * 0.0174533 = 1.1344645 radians
Round answer as necessary
When I did the math I got 0.01 lbs