The answer is 38,400
The scale is 1:40 so the side that is 4 in becomes 160 and the side that is 6 in becomes 240
Multiply 160 and 240 and that is the area of the room
Hope this helps
Answer:
x=-1,y=0
Step-by-step explanation:
-10y+9x=-9
10y+5x=-5
14x=-14
x=-1
-10y-9=-9
y=0
Answer:
Figure A is scalene and probably obtuse.
Figure B is scalene and right.
Figure C is equilateral and acute.
Figure D is isosceles and right.
Figure E is isosceles and acute.
I am so sorry if I did a few wrong, I'm in Middle-School so I don't know much. I hope I get everything correct!
Answer:

Step-by-step explanation:
