reading assighnment

Why is a "good well"--but not, say, courge- good without qualificaion? (595-596)

what is the difference between acting "from duty" and acting "in accordance with a duty"? (597)

Explain why making a false promise violates Kant's fundmental rule of morality: actiong in principle that you coild will as a univresal law. (599)

explain the differnce between a "categorical" and a "hypothetical" imprative. (601)

please answer questions from pages attached. simple answers(high school level).