Answer:
The answer is 1 or A.
Step-by-step explanation:
53 is a prime number meaning the only multiple it has is 1 and itself.
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Answer:
A
Step-by-step explanation:
Difference of squares: (a^2 - b^2) = (a - b)(a + b)
(144x^2 - 49) = (12x - 7) (12x + 7)
Answer:C
20-3=17
Step-by-step explanation: