6. Factorise 9x^2 - 9
- 3x(3x + 3)
- x(9x + 9)
- 3x(3x - 3)
- 3(3x^2 + 3)
7. Saif has 10 eggs in his hand and Hamza has another 10 eggs in his hands. There are 4 eggs in a carton. Each carton costs £1.50. how much do they spend to have eggs in they're hands?
- £7.50
- £20
- £15
- $7.50
