Given matrix a= [5/2 1/1] and matrix b= [1/3 2/1], find each of the following operations : a•b, a+b, det (a), and b^-1

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Hannah paid $3.20 for 16 ounces of potato chips. hank paid $3.23 for 17 ounces of potato chips. who paid less per ounces?

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