How do you do the elimination method? example: -8+6y=2; 16x-3y= -13

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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?

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

Find the greatest common factor of the followig monomials 46g^2h and 34g^6h^6