Solutions – Unit 1 Review (The solution number can be seen on the bottom left of each image.) 4a 4b 5i 5j 5k 5l 5m 5n 5o 5p 5q 5r 5s 6ai 6aii 6aiii 6bi 6bii 6biii 6ci 6cii 6ciii 7a 7b 7c 8a 8b 8c 8d 8e 8f 8g 8h 8i 8j 9a 9b 9c 10a 10b 10c 10d 11 12 13 14 15 16 17 18 19 20