Answer:
<em>Assuming person A and person B are part of the 7 people</em>, there are 10 ways the 7 people can line up if A needs to be first or last and B needs to be in the middle.
Step-by-step explanation:
There are 2 places for A (first, last) and 5 places for B (anywhere but first or last). 2 x 5 = 10.
5 (the sides) x 0.8 = 4 meters
Answer:
Y=4+8
Step-by-step explanation:
Answer:
that is crazy i have not idea what the answer is
Step-by-step explanation: