If a 70 kg person on a 15 kg sled is pushed with a force of 300 N, what will be person's acceleration?

4 m/s

Explanation:
From Newton’s second Law
F = ma

a
=
F
m
=
300 N
60 kg + 15 kg
=
300 N
75 kg
=
4 m/s
2

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 *_*