What is the measure of RMN? Plz answer I need help and will mark brainliest to the first who answers

Answer choices:
27 degrees
63 degrees
117 degrees
163 degrees

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

Find the root(s) of f (x) = (x- 6)2(x + 2)2.

Multiply and simplify. (x - 4) (x^2 – 5x – 6) i will mark brainliest if your answer is right. show how you got the answer. if your answer is correct but does not show how you got the answer you will not be marked brainliest.