The correct answers are:
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[B]: (0, -2) ;
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[D]: (4, 2) ;
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[F]: (-1, -6) .
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The GCF is 5 so the new expression would be: 5(x+2)
The answer is 4 because 2--2 the two negatives make it a positive so its 2+2=4
Here we have to find the probability 
. Now express the probability in terms of standard normal cumulative distribution function. That is 
.
Now you can look up the probability from the standard normal tables. Its value is
