Mrs. Gabriel's monthly salary is Php 18,000 plus a 7% commission on her sales. If she wants to earn at least Php 25,000 a month, what must be the amount of her sales?

than do 23.50 times 18 and then divide your answer by 100 than you will get x.

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 *_*