2. When the bookmobile arrived, it had 321 books.
At the end of the day, there were 87 books left.
How many books were borrowed?

Not sure what the question is?

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 *_*

Least to greatest : -10, -3, 5, 16