Considering the situation described, the hypothesis tested are given as follows:
- The null hypothesis is

- The alternative hypothesis is

<h3>What are the hypothesis tested?</h3>
At the null hypothesis, it is tested if the standard deviation is not less than $23, that is:

At the alternative hypothesis, it is tested if there is significant evidence t conclude that the standard deviation is less than $23, that is:

More can be learned about an hypothesis test at brainly.com/question/26454209
Answer:
The answer is 94.8 m
Step-by-step explanation:
Area of a square is a²
So, 23.7² = 561.69 m²
The side of the square is equal to 23.7 m
Perimeter of a square is the side multiplied by 4
So we have that 23.7 x 4 = 94.8 m
Im pretty sure that the answer it is A. 7
because if you subtract 2 from 7 you get 5
Answer:
1/5
Step-by-step explanation:
The other answers (in order) equal 5, 1 and 1/5, and 2, so the only other option left is 1/5.
Rhoda : sub same values of x into both expressions. The expressions are equivalent if the values of the expressions are equal.