Half of your baseball card collection got wet and was ruined. you bought 19 cards to replace some that were lost. how many did you begin with if you now have 45

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 *_*