Answer:
The system has an infinite set of solutions 
Step-by-step explanation:
From the first equation:




Replacing on the second equation:




This means that the system has an infinite number of solutions, considering:



The system has an infinite set of solutions 
Answer:
37.68
Step-by-step explanation:
c = 2 x 3.14 x 6
The solution is -4/9x + 1
Answer:
3
Step-by-step explanation: