Answer:(9,-3)
Step-by-step explanation:
You just have to flip the numbers
It would be the last option, (5, -4)
Answer:
TSA=6a²
TSA=6*17*17=1734 mm²
Step-by-step explanation:
I think that this is right, but I assumed that the ceiling has the same dimensions as the wall you would need 4 gallons for 2 coats.
Work:
20x8= 160 (square feet for 1 wall)
160x5=800 (i assumed there are 4 walls and 1 ceiling)
800x2=1600 (you need 2 coats)
1600/400=4 (each gallon includes 400 square feet)
