The value of
is 
Step-by-step explanation:
To find the value of
, let us find the value of each angle.
The value of 
The value of 
The value of 
The value of 
Substituting the values of sin, we get,

Multiplying the values of sin, we get,

Thus, the value of
is 
To determine the number of modules that is in each story, we simply divide the number of modules by the number of stories.
= 140 / 14
Simplifying,
= 10 modules / story
Therefore, by even distribution we note that there are 10 modules per story.
Answer: -5x + 2y -9 = 0
Step-by-step explanation:
1. Move constant to the left and change its sign
2. Change the signs on both sides of the equation
In 8 hours, every barber completed 24 haircuts which gave a product of 120. 24 divided by 8 is 3. The answer is 3 haircuts per hour.