Askyscraper with 103 floors is 1133 feet tall. each floor is the same height. how tall is each floor

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?

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

Factor the polynomial by its greatest common monomial factor.