How do you write 23.75 as a mixed number

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?

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

Which equation represents the function on the graph?