Answer:
Equation should have an equal sign
Inequality should have the inequality sign
Expression has no signs
Step-by-step explanation:
Answer: 2.
Step-by-step explanation: Both lines intersect each other 2 times.
I presume you meant
.
The graph is shown in the attached image.
Answer:
B) n ≥ - 9 and n ≤ 1
Step-by-step explanation:
-3 <= n+6 <= 7
subtract 6 from all 3 sides
-3 -6 <= n+6 -6 <= 7-6
-9 <= n <= 1