8-2=6
10+6+3=19
I’m not sure if you are allowed to do it that way so I can find other ways if needed
Answer:
(-4,-8)
Step-by-step explanation:
You subtract 9 from the x coordinate because that it the coordinate that moves the point left or right.
5-9=-4
The size of the sample should be obtained at 2401 in order to be 95% confident
Given that:
Margi of error, 
Population proportion, 
To Find: The size of the sample that should be obtained in order to be 95% confident
Let the size of the sample be n
Using formula,

Therefore, the size of the sample should be obtained at 2401 in order to be 95% confident
Learn more about Population proportion here brainly.com/question/15703406
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Yes that is a repeating decimal the answer would be -0.4444444.. and so on.
Answer
The total rainfall last year is 12.75 inches.
Step-by-step explanation:
The total rainfall this year is 10.2 inches.
Let the total rainfall last year be x inches.
It is given that the total rain this year 20% less than last year's total rainfall
Therefore total rainfall last year is 12.75 inches.