Answer:

Step-by-step explanation:
Answer:
2nd option
Step-by-step explanation:
the mean is calculated as
mean = 
= 
= 
=
+ 
= x + 
The correct answer to this question is A
Answer:
do 7 x 5 then add 4 zeros so its 350,000
Step-by-step explanation:
-9 degrees Celsius
because when the temp is negative it and it keeps going down, then the numbers basically get added and have a negative sign in front of it.
-3 +-2 +-4 = -9