Solve these! thank you

Out of the following, what is the least possible base for the number: 126? 10 5 9 8 8 Question 9 (1 point) Saved Which one is a Hi Color code? (100,230,210) (100,200,256) ) (10, 20, 30) (20,35,10) Question 8 (1 point) Saved Out of the following which number is wrong in a base-7 system? 234 349 345 134 Question 6 (1 point) Saved Use the following Huffman coding table to encode the word: REELROLE. If the underlying system using is UNICODE then what will be the compression ratio? Huffman Code Character 00 A E 01 100 L 110 111 R 1010 B 1011 D Image Code: IMG9 0.1875 0.375 0.483 0.5321 None of the above