ANSWER
The greatest common factor is 5b.
EXPLANATION
The first expression can be rewritten as

The second expression is rewritten as

The third expression is

The greatest common factor is the product of the least powers of the common factors.
Answer:
(2, 1 )
Step-by-step explanation:
Assuming the centre of dilatation is the origin.
Then multiply each of the coordinates of B by 0.5 , that is
B(4, 2 ) → (4(0.5), 2(0.5)) → (2, 1 )
Answer:
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Step-by-step explanation:

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