Respuesta :

melanieranaway
If z = 4 then once we plug it into the equation, it'll be 9-4. And 9-4=5. So your answer will be 5.
igoroleshko156

Answer:

5

Step-by-step explanation:

Step 1:  Set z to 4

9 - z

9 - (4)

5

Answer:  5