Geometry is fun or fish do not like water. conjunction disjunction negation conditional

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?

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.