Sierra has 11.5 yards of yarn. She uses a certain amount for a project, leaving 5.25 yards of yarn. The equation 11.5 - x = 5.25 represents this situation, where x is the amount of yarn Sierra used for her project.

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 *_*

2pounds will cost $1.96