What is it's equation

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?

Which of the following statement about pascal's triangle are true?

The table represents a linear function. what is the slope of the function? –6 –4 4 6