Answer:
For this case we have the following confidence interval given:

And for this case we want to find the estimated proportion like this:

And the margin of error for this case would be given by:

Step-by-step explanation:
For this case we have the following confidence interval given:

And for this case we want to find the estimated proportion like this:

And the margin of error for this case would be given by:

Answer: (10, ∞)
Step-by-step explanation:
See the graph in the attached image.
Answer:
x=6
Step-by-step explanation:
-3x=-2x-6
-3x+2x=-6
-x=-6
x=6