Yes your answer is correct
Answer:
a - (-b), a - (-5)
Step-by-step explanation:
A double negative negative is a positive, so a - (-b) = a + b, and a - (-5) is a + 5. However, a double negative is still a difference, so this answer works.
Answer:
No, No, Yes, Yes
Step-by-step explanation:
Answer:
y=9x+9
Step-by-step explanation: