Mathematics Homework Help

Page 257-258 # 5, 8, 10, 12, 13, 20, 23, 25, 26 AND Page 273-275 # 1-7, # 8 a,b,e,f, #9-14,#16, #19-27, #30, # 32- 34, # 36-37, # 40, 42 .I need all the steps for the solution