The height of the mountain is 0. 2 km
<h3>How to determine the height</h3>
First, let's find the hypotenuse of the second triangle
Using the tangent identity, we have;
tan θ = opposite/ adjacent
tan 3. 5 = x/ 19
cross multiply
x = tan 3 . 5 × 19
x = 0. 061 × 19
x = 1. 16 km
Now, we have the hypotenuse side of the second triangle and we need to find the opposite side which is the height of the mountain
Using the sine identity:
sin 9 = y/ 1.16
cross multiply
y = sin 9 × 1. 16
y = 0. 1564 × 1. 16
y = 0. 18 km
y = 0. 2 km in one decimal place
Thus, the height of the mountain is 0. 2 km
Learn more about angle of elevation here:
brainly.com/question/2004882
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Answer: 
Since 8 is being multiplied to the 3 power we multiply it 3 times.
is written like 

I just copied and pasted your question on google and a graph came up it may not be the answer but i tried...
Answer:
1. PNT
2.RNM
3.QNM
4.UYZ
5. None
6.VYZ
7.none
Step-by-step explanation:
suplametery means when you add to angles together it will equal 180
while complementery is when to angels are added together to make 90 degrees
The equation of the graph is given as y = (2/5)x - 5.
You have to figure out which of the choices equals the equation given,
y = (2/5)x - 5.
You could solve each of the answer choices for y, but since each choice is in the format x - (m)y = b, you can put the given equation in that format too.