Answer:
C. -n - 2
Step-by-step explanation:
Since there are no parenthesis for 3n + 2, you only distribute the 2 to (-2n - 1):
3n - 4n - 2
-n - 2
3n + 2(-2n - 1)
Expand the brackets.
3n + - 4n - 2
Add like terms.
- 1n - 2
4v+3 + 5v +6=180
ans is v=19
hope so its the ans
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2) 67.8°
3) 46.8°
4) 56.0°
Use the right triangle trig functions
sine, cosine, or tangent and take the inverses to find the angle