I need help solving this i tried and tired but still don’t understand. Factor out the greatest common factor. 6x^5+4x^3+8x=

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?

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

How does reflecting or rotating a figure change the interior angles of the figure?