Answer:
2
Step-by-step explanation:
6
Note the factors of 18: 1, 2, 3, 6, 9, 18
Note the multiples of 9: 9, 18, 27, etc.
As you can tell, 1, 2, 3, 6 are all not multiples of 9, but factors of 18, and can be your answer.
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d=4√2
distance formula = √(x2-x1)²+(y2-y1)²
d=√(4-8)²+(-7-(-3))²
d=√4²+(-4)²
d=√16+16 = √32=√2²*2²*2
I think the answer to the question is 5x