How is a business letter different from a friendly letter? a. a business letter uses simple and short sentences; a friendly letter uses complex sentences. b. a business letter uses formal writing conventions; a friendly letter uses informal writing conventions. c. a business letter uses a conversational tone; a friendly letter uses a more serious tone. d. a business letter is personal and uses colloquial vocabulary; a friendly letter uses technical words.

Read the excerpt from the common sense of bicycling: bicycling for ladies. the bicycle is capable of such high speed that there is a strong temptation to ride so fast as to cause over exertion or excessive perspiration. on the other hand some people ride too slow, causing a zigzag and uncertain movement. while exercising reasonable caution, be a fearless rider. when you come to a steep hill, if the road is clear, let it go as fast as it will. if you rid yourself of that ghost of fear, coasting is one of the greatest delights of cycling. which is the best paraphrase of the text?