Answer:

Step-by-step explanation:
We know that
and θ is in quadrant IV
To find
we use the following identity



Then



In the IV quadrant the
then we take the positive solution

Finally to find
we use the following identity

Finally


Answer:
B. 467
A yellow ball will be selected about 467 times.
Option A:
The equation for the trend line is y = 82x + 998.
Solution:
The points on the line are (2, 1162) and (11, 1900).
Here, 
Slope of the line:



m = 82
Point-slope formula:



Add 1162 on both sides of the equation.

The equation for the trend line is y = 82x + 998.
Hence Option A is the correct answer.
Answer: C
Step-by-step explanation:
I remember this test
Step-by-step explanation:
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