The first graph is correct.
Although we cannot see the y-intercept, you can see a positive slope and that the y-intercept would be negative. The second graph has a negative slope, which would not work. And the 3rd graph has an intercept of -1, which is not correct.
The answer is B. -5 because from c to d the distance is 16. One fourth of 16 is 4 units so you just need to count four space from c to get -5
1/3 from the 8 to 5 that is what it is
The angle of depression from the bird to the observer is 41.81°
<h3 />
<h3>Angle of depression</h3>
The angle of depression can be calculated using trigonometric ratios. The situation forms a right angle triangle. A right angle triangle has opposite , adjacent and hypotenuse side.
Using trigonometric ratio,
- sin B = opposite / hypotenuse
Therefore,
sin B = 6000 / 9000
sin B = 0.66666666666
B = sin⁻¹ 0.666666
B = 41.8103143833
B ≈ 41. 81°
learn more on angle of depression here: brainly.com/question/24600261?referrer=searchResults