Answer:
If we mean - √9, then it is a rational number.
Step-by-step explanation:
Awdawdawdawdadwawdawdjahsduoahwdoahw
Answer: The answer for the first one is x=1/36y and the second one is
y=1/2x-2
Answer:
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Answer:
Option d - Equality
Step-by-step explanation:
To find : What sign of a null hypothesis must always include?
Solution :
The Null hypothesis is defined as a statement about the population that either is believed to be true or is used to put forth an argument unless it can be shown to be incorrect beyond a reasonable doubt.
The Null hypothesis represent by 
always has a symbol with an equal in it.
Therefore, Option d is correct.
Equality sign of a null hypothesis must always include.