Answer:
47
Hope it helps
Please mark me as the brainliest
Thank you
Answer
test statistic
P-value 
Step-by-step explanation:
From the question we are told that
The first sample size is 
The first sample mean is 
The first standard is 
The second is 
The second sample mean is 
The second standard deviation is 
The level of significance is 
The null hypothesis is 
The alternative hypothesis is 
Generally the test statistics is mathematically represented as

=> 
=>
Generally degree of freedom is mathematically represented as

=> 
=> 
From the student t distribution table the probability value to the left that corresponds to
at a degree of freedom of
is

181 because when you solve it that is what you get
Answer:
-3a2x2 • (a-3x2)
Step-by-step explanation: