Acar covers 10 laps of 3.6 miles each in 18 minutes what is the average speed of the car in miles per hour

0.2 miles per minute.
3.6 divided by 18 equals 0.2/ 

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 *_*