1. Write down the next three numbers and describe each pattern: b) 1; 8; 15; 22; c) 7; 9; 8; 10; 9:0 a) 3; 6; 9; 12; d) 4; 1; 16; 1; 64; 1; e) 2; 4; 8; 16; 32; f) 3; 9; 27; 81; 2. Draw the next diagram in each pattern. Explain the rule. a) b) P 3. The diagrams below show artwork that the Nguni people paint c their houses. Describe the pattern in the sequence of artwork.​