Answer:
Well isn't anyone able to write?
Answer: In math a mean is the simple mathematical average of a set of two or more numbers.
Answer:
n = -7
Step-by-step explanation:
49 = -5n - 2n
combine like terms
-5 - 2 = -7
49 = -7n
divide both sides by -7
49/-7 = -7n/-7
49/-7 = n
49/-7 = -7
-7 = n
Answer:
C
Step-by-step explanation: