Answer:
-7
Step-by-step explanation:
1. Combine Like Terms
3n-7=4n
2. Subtract 3n on both sides.
-7=n
3. You got your answer:)
Answer:
4
Step-by-step explanation:
It's easy because 4-4=0 and anything divided by zero is zero.
Answer:
A.

Step-by-step explanation:
From the given information.
The proportion of American Millennials still with their parents = 0.36
The sample size = 300
Sample proportion = 0.43
Level of significance = 0.006
P-value = 0.006
Null hypothesis:



The required task is to determine the assumption about the sample that underlies the hypothesis test from the given options.
A.

This is because the student wants to check if the null hypothesis ( which states that of Millennial students at their campus, 36% live at home with their parents) is correct or not.
I think the answer will be (-4,3)