1.Which pair of numbers is 6 a common factor of?

12 and 20

16 and 24

24 and 54

30 and 64

2.Which number is a common factor of 24, 48, and 144?

16

10

9

8

3.Which expression makes the equation true?

X^8=(square)^2

x4

x5

x10

x12

4.Which expression makes the equation true?

100m^20=(square)^2

10m20

10m10

50m10

50m20

5.Which pair of numbers is not a factor pair of 48?

4 and 12

–8 and 6

–2 and –24

6 and 8

1) 24 and 54

2) The answer is 8

3) x4

4) 10m10

5) –8 and 6

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