6. 4/5 / 5/6
- 13/25
- 24/25
- 20/25
- 12/26
7. positive x negative =
- negative
- posative
8. 3(x+2) = 12
- 2/8
- 8
- 2
- 1
9. 6 1/3 - 1 3/5
- 15/0
- -4/15
- 15/-4
- 4/15
10. 5/9 of 27
- 14
- 15
- 10
- 51
11. 4a + 7
- 4
- 7
- 5
- 6
12. 7(c+1)
- 7
- 4
- 2
- 8
13. Formulae for the total interior angles:
- (nx180)-2
- (2-180)n
- (n-2)180
- (180-2)n
14. What is the sum of the exterior angles of any polygon?
- 180
- 360
- 280
- 540
15. 2 x 1/4
- 1/2
- 5/10
- 2/1
- 3/4
