Answer:
Simply create a scatter plot then write in a line of best fit.
I'm not 100% sure
Answer:
The mean of the sampling distribution of sample proportions will be 0.2
Step-by-step explanation:
Central Limit Theorem for Proportions:
For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean
and standard deviation 
20% of American adults ages 25 and older had never been married.
This means that 
So the mean of the sampling distribution of sample proportions will be 0.2
Answer: (3,-2)
Step-by-step explanation:


new system:

add.

plug in -2 for y

system:

No solution bc the equations aren't equal to each other