I'm actually pretty sure it's B
Answer:
hold on...
Step-by-step explanation:
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

Answer:
The formula to find the perimeter of a rectangle is 2L + 2W.
Here L=5 and W=2; hence:
2*5+2*2
=14
The perimeter is 14.
The formula to find the area of a rectangle is length × width; hence:
5*2=10
The area of the rectangle is 10.