Answer:
1. x^2+12x+32
Step-by-step explanation:
(x+8)(x+4)
x(x+4)+8(x+4)
x^2+4x+8x+32
x^2+12x+32
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Answer:
3
Step-by-step explanation:
12 divited by 4 =3
Answer:
The value is
Step-by-step explanation:
From the question we are told that
The number of customer that enter the tellers every 5 minutes is 
Generally the probability that exactly three customers enter the queue in a randomly selected five-minute period is mathematically represented as

=> 
=>