I’m pretty sure the answer is A. and B.
x = -3
So to figure this out we can readjust the equation to make it easier to solve
is equal to 
From here we can just subtract 9 from both sides and we get our answer!
Based on the number of customers, the average number of customers, and the time given, the process is I = 10 customers, R = 20 customers per hour, T = 30 minutes.
<h3>What is the process at the regional bank branch?</h3>
I is the average number of customers at any given point in time which is ten = 10.
R is the number of customers that the bank gets per hour which is 20 customers.
T is half the number of minutes that the normal number of customers take to walk into the bank:
= 60 minutes / 2
= 30 minutes.
Find out more on process metrics at brainly.com/question/26511304.
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