Nathan needs to make 30 litres of a 28% acid solution. He has 2 bottles, one containing 20% acid and the other 50% acid. What volume of the 50% acid should he use?
Nathan needs to use
litres of the 50% acid.

Idon’t exactly understand but i think dbc=rst

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 *_*