Answer:
im "answering" to let him/her get brainliest
The Answer is : 20/40
3^x=9^{x+5}
Step-by-step explanation:
Babes, see the pic for the answer...
width= 7m
Area= L×W
L= (x+8)m
W=8m
105m²= (x+8)m × (x)m
105m²= x² + 8x
-x² - 8x + 105= 0
(x-7) (x+15) = 0
x= 7 x= -15
x=width = 7m