The answer would be C) because there are 11 possibilities of who can line up first, and after the first person, 10 possibilities, then 9, and so on. So you would need to multiply 11x10x9x8x...x1.
It will help with taxes and construction and paying things, etc.
Answer:

Step-by-step explanation:


SA: 2xLxW + 2xWxH + 2xLxH
SA: 2x4.5x20 + 2x4.5x23 + 2x20x23
SA: 180 + 207 + 920
TSA: 1307cm2 (squared)
Ratio and proportion
429 mi/33 gallon= x miles/ 1 gallon
cross multiply
33x= 429
x=13 miles on one gallon
hope this helps