If you have a geometric sequence and the ‘r’ value is negative, what is the effect?

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?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Graph the linear function using the slooe and y intercept