My guess would be B.
Don't quote me on this lol.
Answer:
8.5
Step-by-step explanation:
10x+2=9x(3)
10x+2=27x
2=17x
x=8.5
Answer:
The guard should be positioned at the safe
Step-by-step explanation:
The night watchmen should be positioned to guard whichever place gives the highest expected value to the thief.
The expected value of robbing the safe is:

The expected value of robbing the cash register is:

Therefore, the guard should be positioned at the safe since it yields a higher expected value to the thief in case he tries to rob it.
This is easy once you look at it you just have to move the decimal 7 places and you'll get 24,000,000
Answer:
simplified is
x
^5
y
^15
z
^10
Step-by-step explanation: