Agraphing calculator cost $105,and the sales tax is 4.25%.what is the total cost of the calculator?

To calculate tax:
Cost x tax percentage /100

To calculate total cost:
Cost + tax

The total cost of the calculator + sales tax would be $109.46.

Hope this helped! (:

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 *_*