It would be: (y2-y1) / (x2-x1) = (9-(-9)/5-5 = 18/0 = undefined
OPTION D IS YOUR ANSWER.........
None of them have a solution of x, but 5x=15, 7x-2=19, and 5x+6=21 all have the same answer of x=3
32
Sorry, I couldn't really think of a way to explain but the best I can is by multiplying the 4 by 8 to get the answer of 32
Ok. Could I have a picture of the question? :)
Answer:
Alissa Barnes
blue-relaxed
white-clean
green-organic
turquoise-happy and hungry
yellow-happy and hungry
orange-not hungry
red-very hungry