Answer:
1.) P 6.) P
2.) C 7.) C
3.) C 8.) C
4.) C 9.) C
5.) P 10.) C
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1.) GCF of 12 and 20 is 4
12 = 2 × 2 × 3
20 = 2 × 2 × 5
= 2 × 2
= 4
2.) GCF of 18 and 24 is 6
18 = 2 × 3 × 3
24 = 2 × 2 × 2 × 3
= 2 × 3
= 6
3.) GCF of 20 and 30 is 10
20 = 2 × 2 × 5
30 = 2 × 3 × 5
= 2 × 5
= 10
4.) GCF of 28 and 42 is 14
28 = 2 × 2 × 7
42 = 2 × 3 × 7
= 2 × 7
= 14
5.) GCF of 24 and 12 is 12
24 = 2 × 2 × 2 × 3
12 = 2 × 2 × 3
= 2 × 2 × 3
= 12
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1.) B.45
2.) A.24
3.) C. 24
4.) A. 12
5.) D. 20
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