Two trains leave the same station at the same time, but are headed in opposite directions. one train  travels at 70 mph and the other train travels at 80 mph. how much times passes until the trains are 600 mi  apart? a) 2 b) 3 c) 4 d) 5

70h+80h=600
150h=600
h = 4 hours answer C

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 *_*