8x+3=43
-3 -3
8x=40
/8 /8
X=5
Answer:

Step-by-step explanation:
We know two sides and the angle between the sides, so we can use the Law of Cosines. Recall that the Law of Cosines states that:
, where a and b are the sides and C is the angle in between.
Let's substitute 115 for a, 178 for b, and 41 for Angle C.
Thus:




The answer is 14
..........
I’m pretty sure the answer is D. Sorry if I’m wrong