Angle measure of triangle
= 180 degrees
X = 180- 75 - 50 = 180 - 120 = 60
Ans= 60 degrees
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The answer would be d=8t
This would be because the time they want is 1 hour. So when you plug in t as 1 you need d to equal 8. So you just have to change that 6 in the first equation to an 8. This new equation means that the person can travel 8 miles every hour.
we know that
<u>The correlation coefficient </u>is a number between
and
that represent the linear dependence of two variables or sets of data
Let

Using the function CORREL in a Excel tool
Find the correlation coefficient for the set of data
see the attached table
the correlation coefficient is 
therefore
<u>the answer is the option B</u>

Answer:
A. The graph of the function increases and decreases over its domain.
Step-by-step explanation:
The graph is attached. Some places, it has positive slope (is increasing); other places it has negative slope (is decreasing).