Answer:
B
Step-by-step explanation:
Set up the equation
z = 
Plug in the numbers to find the value of k
3 = 
12 = 4k
3 = k
Solve to find the value of z
z = 
z = 
z = 48/9
z = 16/3
Answer:

Step-by-step explanation:
Recall that
. Using this, we can simplify and combine the two terms:
. Therefore, the terms may be combined.
Answer:
ion
Step-by-step explanation:

It is a function because here in case there is a value of y for x so it is a function.
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Answer:
173.25
173.25+7=
$180.25
Step-by-step explanation: