8. Mr. Phillips has to call a plumber to fix a leaky pipe. The company he calls states that it will cost him $135 for the replacement parts and $65 an hour for labor. If
his total bill was $362.50, how long did it take the workman to finish the repair?

It took the workman a total of 3.5, or 3 1/2 hours

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 *_*