Answer:

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

4). now plug
into 


5). Minimum (0,-5) ∴ 
The coordinates would be (2,7) you just have to move 1 left 4 up
For this case we must simplify the following expression:
We eliminate the parentheses taking into account that:

So:

We add similar terms taking into account that:
Equal signs are added and the same sign is placed.
Different signs are subtracted and the major sign is placed.

Answer:

Answer:
x=7
Step-by-step explanation:
Answer:
$0.25
Step-by-step explanation:
2.99/12 aprrox. equals 25 cents