Answer: 720 ways
Step-by-step explanation:
Given
A train has 1 main engine and remaining 6 train cars
If the engine is always in the front the remaining train cars can be arranged is

110? It's a supplementary angle.
If you simplify, it equals 10.82e.
Answer:
for 8 i think its a b and c sorry if am wrong
Answer:
< LK
Step-by-step explanation:
The higher the angle, the bigger the opposite side, so since 123 is bigger than 114, LK is bigger than MN