There are 11 horses in a race.
in how many ways can the first three positions of the order of the finish occur?
(assume there are no ties.)

11 nCr 3  plugged in a calculator will equal 165 Combinations/Positions 

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 *_*