Answer:
c i think
Step-by-step explanation:
i do not know it is just a brain wave
These lines are only parallel lines because these lines don't touch each other and parallel lines don't touch each other.
Answer:
153.86
Step-by-step explanation:
Alright First you combine the like terms.
9n - 3n = 6n
21 - 24 = -3
Rewrite the simplified equation
6n - 3 = 0
Solve for n
6n = 3
n = 3/6
n = 1/2
Ask if you need more help! :)