In order to qualify for the school sprints team, the prospective athletes are given a speed test. The scores are normally distributed with mean of 13.2 seconds and a standard deviation of 3 seconds. If only the top 85% of the athletes are selected, find the cut-off time.

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 *_*