Answer:
B=9
Step-by-step explanation:
b+4=2b-5
b-2b+4=-5
b-2b=-5-4
-b=-5-4
-b=-9
b=9
Answer:
12.66 
Step-by-step explanation:
Given the dimensions of the room are
=
and
=
.
The area of the room =
Area=
Area=72.33 
The area of the carpet=85 
The area of carpet left= Total area of carpet - the area of the room
The area of carpet left= 85-72.33=12.66 
Answer:
12800
Step-by-step explanation:
(8 * 8 * 8) * (5 * 5)
512 * 25
12800
Y= -1/2x - 4
hope this helps! :)
X= 49 because the square root of 49 IS 7. :D
Good luck! :)