The mean temperature for the first 7 days in january was 4 °c. the temperature on the 8th day was 5 °c. what is the mean temperature for the first 8 days in january? i need a answer to this . no incorrect answers .  i beg my life, can someone give the correct answer! 

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

answer: im gonna go with milli

step-by-step explanation: