Hey!
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Steps To Solve:
~Subtract n to both sides
3 - n = n + 4 - n
~Simplify
3 - n = 4
~Subtract 3 to both sides
3 - n - 3 = 3 - 4
~Simplify
n = -1
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Answer:

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Hope This Helped! Good Luck!
X = 4 cm
the area of trapezium is
A = (4)(6) + (1/2)(4)(9-6)
A =30 cm^2
The answer is c). The reason why is that no matter what number you substitute for x in question c you can never get a negative number. Thus, you can never get a negative 8.
Answer:
what graph?
Step-by-step explanation:
maybe if you put a graph on your question i might be able to help you.
Answer:
13.9
Step-by-step explanation:
To find the mean, add the two numbers and divide by two.
(13.9+13.9)/2=13.9