Answer:
108 ft²
Step-by-step explanation:
The product of length and width is ...
(12 ft)(9 ft) = 12·9 ft·ft = 108 ft²
7x-2-(3x-9)-(x+7)
=7x-2-3x+9-x-7
=7x-3x-x-2+9-7
=3x
x=36
17+3 =20
now we have :
x+4
___ = 20
2
20*2= 40
x+4=40
hopes this helps
11.46 I believe
