Answer:
the first answer
Step-by-step explanation:
I looked at it
Adrian can put a total of 1716 combinations in the player.
The formula to be used is as follows:
total combinations = n!/[r! *(n-r)!]
n = number of disks available = 13
r = number of disks that be held = 6
= 13! = (13• 12•11•10•9•8•7•6•5•4•3•2•1)/(6! <span>• 7!)
</span>=1716
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Step-by-step explanation:
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Answer: 1:50
The scale factor is 5/250 = 1/50
Answer: 3x^2 +120x
Good luck !