What is 1/7 divided by 7

Where does writer's block come from? briefly describe each of the four possible reasons that writer's block occurs. asap!

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Question 1 translate: i have to eat. question 2 translate: one must study. question 3 to make a good grade, one must pay attention. para sacar una buena nota, prestar atención. question 4 to make money, one must work. para ganar dinero, trabajar. question 5 translate: maria has to talk.