#3
<span>198
</span>
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Answer:
9 (10+3)
Step-by-step explanation:
90 = 9*10 = 9*5*2
27 = 9*3
The greatest common factor is 9
9 (10+3)
Answer:
a
Step-by-step explanation:

Both A and C is true. However, even though a rectangle can be a parallelogram, a parallelogram is a quadrilateral, so the answer is A.
I hope this helps!