Answer:
C. (X+2)(x-6)
Step-by-step explanation:
- x^2-4x-12
- x^2-6x+2x-12
- x(x-6)+2(x-6)
- (x+2)(x-6)
Answer:
3 customers
Step-by-step explanation:
Rate of arrival (λ) = 15 per hour
Service rate (μ) = 20 per hour
The number of customers in a system given the arrival rate and the mean service rate is given by:

Applying the given data:

The average number of customers in the system is 3 customers.
Assuming the side lengths did not change, ...
Angle C would need to decrease by the same amount.
Angles B and D would each need to increase by the amount angle A decreased.
Answer:
z=t and y = 4y -- 6 for any t?