Answer:
a) 
b) 
Step-by-step explanation:
The National Institute of Mental Health published an article stating that in any one-year period, approximately 9.5 percent of American adults suffer from depression or a depressive illness.
At the null hypothesis, we test if the value we find is equal to the expected value, that is:

Test to determine if the true proportion of people in that town suffering from depression or a depressive illness is lower than the percent in the general adult American population
Lower, which means that the alternate hypothesis, we test if the value we find is lower than the expected value, that is:

Answer:
Step-by-step explanation:
What grade are you in
Here are the steps to solve for h. Your final answer is h=4
Answer:
Acute
Step-by-step explanation:
Right is 90 degrees, Obtuse is more than 90 degrees, and Acute is less than 90 degrees so 85 is less than 90 which is why it is acute
hope this helps
~ u ~
The answer is to this question is c