Answer:
-8
Step-by-step explanation:
3 + (- 4) - 8 - (-1)
-1 - 8 - (-1)
-9 - (-1)
Because there are 2 negative, it changes to a positive
-9 + 1
Answer: - 8
3+(−4)−8−(−1)
3 - 4 - 8 + 1
3 - 12 + 1
- 8
MN
m x n =mn
∠ B ≈ 41.81°
Using the sine ratio in the right triangle
sin B = = = , thus
B = ( ) ≈ 41.81° ( to the nearest hundredth )
d is the answer