Answer:
x = -2/9
Step-by-step explanation:
8x+1=-x-1
8x = -x -2
9x = -2
x = -2/9
Answer: 
Step-by-step explanation:
Given
inclination is 
Mountain is
high
Cable is tied
from the base of the mountain
From the figure, length of the shortest path is 
It is given by using Pythagoras theorem

Answer: Answer and explanation in pic
Step-by-step explanation:
Answer: x-7
Step-by-step explanation:
