Answer:

Step-by-step explanation:
Equation: 
1).
→
2).
∴ 
3). 

4). now plug
into 


5). Minimum (0,-5) ∴ 
The correct answer is a.y=3x-4
Answer:
Below!
Step-by-step explanation:
111.5
Answer:
Option A is the right answer.
146-4b = 122-1b
Reason: vertical angles
Answer:
I dont remember how to do this but i wish you luck, try searching on khan academy for how to do this ;)
Step-by-step explanation: