Algebra level 5 page 3

4) 6, 11, 16, 21, 26, 31, 36, 41 Rule= 5n+1 Hi XD
5) 4, 7, 10, 13, 16, 19, 22, 25 Rule= 3n+1 This is very Monotonous :D
6) 1, 5, 9, 13, 17, 21, 25, 29 Rule= n-1 X4+1 ZZZZZZZZZZZZZZZZZZ :)
7) -3, -1, 1, 3, 5, 7, 9, 11 Rule= start -3 add 2 each time qwerty ;)
8) 1, 4, 7, 10, 13, 16, 19, 22 Rule= 3n -2 uiop ^-^
9) 3, 6, 9, 12, 15, 18, 21, 24 Rule= 3n
10) -7, -5, -3, -1, 1, 3, 5, 7, 9, 11, 13 Rule= 2n - 9
11) 13, 23, 33, 43, 53, 63, 73, 83, 93 Rule= 10n+3
12) 10, 16, 22, 28, 34, 40, 46, 52 Rule= 6n
13) -6, -3, 0, 3, 6, 9, 12, 15 Rule= 3n-9

14) 24n
15) 360, 552, 1008 bricks
16) 8m, 12.5m, 6.25m

17) 10n+6
18) 126, 206, 506 tiles
19) 7m2, 11m2, 20m2