What is the simple ratio of 75 cents and $1.25​

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 random variable x is defined as the number marking the sector in which the arrow lands when the spinner in the diagram is spun once.

A. 120 degrees b. 90 degrees c. 30 degrees d. 60 degrees