Christina bought a pair of shoes that was on sale for 15% off the original price. If the regular price of the
shoes was $84, which strategy will determine how
much money did Christina paid for the shoes?

Answer to your question: a. the fundamental theorem of algebra tells you that the equation will have two complex roots since the degree of the polynomial is 2. the roots are ​ x=1±i7√2 .number of roots=degree of polynomialhere, degree of polynomial is 2 so number of roots will be 2.hope it *_*