Respuesta :
Answer:
I think
Step-by-step explanation:
If c is 4 and d is 5 and you want to find cd, wouldn't you just multiply 4 and 5. That gives you 20
Answer:
It would be 20. In algebra, putting two letters together means multiplying.
For example, if X = 3,
2x would be 2 x 3 which = 6