Answer: Number D is correct
Step-by-step explanation:
Because, they can both go in each other and, they are the opposite of each other
207/9 = 23
23 people per class.
23 * 6 = 138.
In 6 classes, there are 138 students.
4700 is the answer hope it helps
Answer:
B. -oo < x < 3
Step-by-step explanation:
since the vertex (3, -1), so, x should be less than 3
-oo < x < 3