A jar contains n nickels and d dimes. There are 19 coins in the jar, and the total value of the coins is $1.35. How many nickels and how many dimes are in the jar? (Hint: Nickels are worth $0.05 and dimes are worth
$0.10.)

$7.50x+$4.50y=midk it's been awhile since i've done one of these

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 *_*