Answer:
274560
Step-by-step explanation:
We can "choose" one of the 66 athletes for the gold medal. That athlete can't win any other medals, so there are 65 athletes left.
We can then "choose" one of the 65 athletes left for the silver medal. That athlete can't win any other medals, so there are 64 athletes left.
We can then "choose" one of the 64 athletes left for the bronze medal.
That leaves us with 66 possible choices * 65 possible choices * 64 possible choices=274560 possible choices
we know that


To find how long are
sections placed end to end
Multiply the number of sections by the length of one section
so


therefore
<u>the answer is</u>

Answer:
c
Step-by-step explanation:
I'm pretty sure it's A. 7+x+4y, but I could be wrong.