Type the missing number to complete the proportion. 42 plates in 3 stacks = 14 plates in how many stacks

One unique triangle, because those angles add up to 180, and that's how many degrees there are in one triangle.

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 *_*

Do you have answer choices?