Answer:
-15x - 5
Step-by-step explanation:
5x - 15 - 20x + 10
5x - 20x - 15 + 10
-15x - 5
According to the table,
it should be (5,9) and (8,10.5)
Answer:
150°
Step-by-step explanation:
We know each angle in a equilateral triangle is 60° and that of a rectangle is 90° . So ,

The answer to your question is number 1
I can't do the domain and range but here are the function answers:
1)N
2)N
3)Y
4)N
5)Y
6)Y
7)N
8)N
9)Y
I hope that helped. Sorry I couldn't do the other parts.