Out of 210 racers who started the marathon, 185 completed the race, 18 gave up, and 7 were disqualified. What percentage did not complete the marathon?

Ithink it would be 160 people

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 *_*

Xis equal to three