1. Given
2. Combine like terms
3. Subtraction POE (Property of Equality)
The answer is B . because when u add them u will get 14400000 which is 1.44*10^7sq kilometers. did this help you?
Answer:
I'm taking an educated guess here and saying that its option two.
I haven't done these problems in almost two years.
This is not my work but i hope this can help you with your problem
https://answers.yahoo.com/question/index?qid=20120518194118AAhi738
Z = (x - m)/s
z = (38-40)/8
z = -2/8
z = -1/4
z = -0.25
The z score is -0.25