Answer:
other leg is 8.94
Step-by-step explanation:
Pythagorean Theorem is a² + b² = c²
a and b are legs
c is the hypotenuse
8² + b² = 12²
64 + b² = 144
-64 -64
b² = 80
√b² = √80
b ≈ 8.94
Complete Question
The complete question is shown on the first uploaded image
Answer:
The null hypothesis is 
The alternative hypothesis is 
Step-by-step explanation:
From the question we are told that
The number observations is 
The annual salary (in dollars) is y
The mean score on teaching evaluation is x
The the relationship between the y and x is

Where
is the mean of the equation so
The null hypothesis is 
The alternative hypothesis is 
Answer: =(x - 1) x (x^2 + x + 1)
No it is NOT possible - that would mean the final angle would also have to be ninety degrees making it a square or rectangle. :)
Answer:
54.79 because if it's 4 and lower, you let them stay the same but if its five and above you let them go higher.