Answer:
A Exactly one solution
Step-by-step explanation:

Putting y=0 at second equation, we have

The unique solution is 
Answer:
14th term
Step-by-step explanation:
Answer:
c=1.96
Step-by-step explanation:
2.1/c=1.5/1.4
2.1*1.4=1.5*c
2.94/1.5=1.5c/1.5
c=1.96