Ineed are three important principles to follow when you do a close reading and write about it?

Dr.cooper just started an experiment. he will collect data for 8 days. how many hours is this

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b