Find the least common multiple of the following polynomials: 5y^2-80 and y+4 a. (y+4)(y-4) b. (y+4) c. 5(y+10)(y-8) d.5(y+4)(y-4)

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 one is the correct answer, and why?

What is the radius of the cone in the diagram? round your answer to the nearest whole number