They are asking for the outcome of A and B, which means you need to include the results of both together.
The result would be {4,5,6,7,10,11,12}
Since there are no common numbers in either A or B, they would be mutually exclusive.
The answer would be the last one.
Answer:
1.3
Step-by-step explanation:
The square root of 1.69 is 1.3.
The slope of a line through points

and

is :

or

,
it is the same thing, BUT it it always y's over x's and always in the same order of 1 and 2:
don't write:

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The slope of the line through the points <span>(-23, -17) and (-13, -7) is :
</span>

<span>
Answer: 1</span>
<span> (x + 2) • (x - 1) • (2x - 3)</span>