D because a has to be younger than 18 and it has to be positive because we are never a negative age. do you understand when i mean?
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This took me a while but I'm pretty sure the answer is

I had to review perpendicular bisectors but yeah it has to do with the midpoint and point slope formula
Answer:
2:1____________________________________
Answer:
x = 195.8
Step-by-step explanation:
x/8.9 = 22
multiply by 8.9 to remove the fraction