The answer is 120 degrees
Answer:
A
The test statistics is 
B
The Null and Alternative hypothesis are
and 
Step-by-step explanation:
From the question we are told that
The population mean is 
The sample size is 
The sample mean is 
The sample standard deviation is 
The level of significance is 
Given that the value which the manufacturer gave the automobile is 47.2 and it is believed that this is not correct, then
The Null Hypothesis is

The alternative Hypothesis is

The test statistics can be mathematically evaluated as

substituting values


If you search the internet you can find the answer I hope you can find the answer
Answer:
-1/2 to the third power
Step-by-step explanation:
first you look and see -1/2 times -1/2 times -1/2 which is the same as -1/2 to the third power.
then if you have -1/2 to the 3rd power you just simply take -1/2*-1/2*-1/2 which is the same as the expression
Answer:
22°
Step-by-step explanation:
this is a right angle. right angles = 90°. you can now subtract 90-68 to give you 22.