Answer:
The total cost of adding wallpaper to the room is 487.20
Answer:
30x6
Step-by-step explanation:
5x6=30
3x2=6
Answer:
C=7
Step-by-step explanation:
When you replace c for 7 you get
7 + 7 + 3(7) =35
14 + 21 = 35
35 = 35
I use matrix to solve that problem. Based on that way, I conclude the answer is :
A.The x-coordinate will increase by 6.
D.The y-coordinate's sign will change