Question

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Answer 1

Explanation:

1. 4

2. 9

3. 7 ,14 , 21 , 28 ,35 , 42 , 49

4. 7 , 3

5. 527 , 752 , 572 , 725

6. 6 = d ( a / 2 )

7 = e ( 2a )

8 = a ( a * a )

9 = b ( 3a )

10 = c ( 0 )

Answer 2

1. 24

= 3 × 4

= 3 × 2²

x = 1

2.Cross multiplication

= 3 × 15 = 5x

= 45 /5 = x

= 9 = x

3. 14, 35, 42

4. 7 , 3

5. 572, 527, 725, 752

6. a ÷ 2 = a/2

7. a.2 = 2a

8. a² = a . a

9. a + a + a = 3a

10. 0a = 0