No, John is incorrect.
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Correct work shown:</h3>








The correct answer should be x = 7 or x = -1
Answer:
The volume is 27 cubic cm.
Step-by-step explanation:
Answer:
False
Step-by-step explanation:
It is given that Noah thinks :
9x - 2x + 4x = 3x as the subtraction sign after 9x tells us to subtract everything that comes after 9x.
This is wrong as according to the BODMAS rule, we have to do the addition operation first and then followed by subtraction operation.
That is
⇒ 9x - 2x + 4x
⇒ (9x -2x)+ 4x
⇒ 7x + 4x
⇒ 11x
Therefore the answer to the equation is 11x and not 3x.
Answer:
20% of the invited people did not attend
Step-by-step explanation:
5 out of 25 people invited didn't attend Glen's party. That means the following:
people didn't come which simplifies to 
Multiply
by the giant one
so the denominator is 100 which is the denominator used to find percentages.
You end up with 
= 20%