(6a*5) + (6a*d)
30a + 6ad
30a + (6a*d)
So, 1, 2 and 4 are correct!
Answer:
1. D. 1
2. B. y=a³/x
3. A. y=1/x
Step-by-step explanation:
too long to give te explanations but they're there in the attachments