Please help me complete these questions

2. Use logarithm laws to write the following expressions as a single logarithm. Show all steps. [3 marks total] log 9 a) log4x - logay + log4z [1 mark] b) 2 loga + log(3b) -logic [1 mark] C) log 2 [1 mark] 3. Solve. [6 marks total] a) logs (x - 3) = 2 [2 marks] b) logsBy = 2log64 [2 marks] c) 4*+12 = 256 [2 marks]