I'm not sure but I think it's 5
Answer:
(-6, 18)
Step-by-step explanation:
2(6+w)+2(w)=40
12+2w+2w=40
12+4w=40
4w=28
w=7
Now we know that the width is 7; abd the length is 7+6 which is 13.
To find the area we multiply 13x7
The area is 92cm squared
I believe the answer is 0.25