Some people advise that in very cold weather, you should keep the gas tank in your car more than half full. 's car had5.4 gallons in the 12-gallon tank on the coldest day of the year. Filled the tank with gas that cost $3.60 per gallon. How much did spend on gas?

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 *_*