From Sims house to the lake is 30 kilometers. if he completed the round trip on his bike in 2 hours 30 minutes what was his average speed in kilometer per hour

1/5 i hope this

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 *_*

None of the options you showed are it.