Answer:

Step-by-step explanation:

Since this answer is in <em>Quadrant</em><em> </em><em>I</em>,<em> </em>this would be a positive-positive answer, which in this case, will remain a positive.
<u>Extended</u><u> </u><u>Information</u><u> </u><u>on</u><u> </u><u>Quadrants</u>

<u>Extended</u><u> </u><u>Information</u><u> </u><u>on</u><u> </u><u>Trigonometric</u><u> </u><u>Ratio</u><u> </u><u>Values</u>

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Answer:
You make a factor tree for (-)40 where the factors of -40 are -8 and +5. This becomes (x+5)(x-8) which can be multiplied to get back to the starting point.
Answer:
3m == 5w, that means for such unit, there is a 2 person difference
30 person difference = 30/2 = 15units
and again one unit means 3m and 5w
so 15*3men, and 15*5women
and you can check the difference is 30