Answer:
your answer is 12
Step-by-step explanation:
have a great day! :)

Refer to the attachment for step by step explaination.
Answer:
y=-7
x=3
Step-by-step explanation:
I just used a calculator. Hope this helps. :)
Answer:
-4 <n <= 5
Step-by-step explanation:
Open at -4 and closed at 5 on number line so the inequality should be
-4 <n <= 5