In writing the ratio of measurement numbers, the must be the same.

a) fractions
b) proportions
c) rate
d) units

Proportions must be the same. otherwise the measurement will be wrong.

hopes that helps

7for nonmembers i think

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 *_*