Answer:
B
Step-by-step explanation:
Replacing <em>f</em>(x) with 21, this is the equation
21=3x+9
First, subtract 9 from each side of the equation to get:
12 = 3x
Next, divide each side by 3 to get:
4 = x
So the answer is B.
Answer:
6
Step-by-step explanation:
The answer is 55.75! Trust me I took a test on this and its the right one.
Answer
................. 60 seconds.. in a minute
Step-by-step explanation:
The amount of time of what?