Respuesta :
Answer:
C. 18x + 9y: Because there isn't an relation between the two, all the others have and inequality sign meaning you can solve them, however C does not.
Step-by-step explanation:
Answer:
C. 18x + 9y: Because there isn't an relation between the two, all the others have and inequality sign meaning you can solve them, however C does not.
Step-by-step explanation: