s < 30,000$ i dont know if this is what the question is asking but its the best i can come up with given the information you gave to me.
(-3 7following is equivalent
__.
4

Correct Expression :


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For short it can be expressed as :

[ y - coordinate of both the points are same ]
Correct option - D
Answered by : ❝ AǫᴜᴀWɪᴢ ❞
2a because with 18a and 20ab they both have "a" in common and they are even thus multiples of 2 leaving you with 2a(9,10b)