Since the sum of the angles of a triangle is 180 degrees, we simply have to add all the angles and equate it to 180 to solve for x. So:100 + 12x + 4 + 14x - 2 = 18026x = 78x = 3
So, x is equal to 3.
is the score of Jonathan.
<h3 /><h3>What is percentage?</h3>
Percentage, which may also be referred to as percent, is a fraction of a number out of 100%. Percentage means "per 100" and denotes a piece of a total amount.
To calculate the percentage , Use the percentage formula:

According to the question:
Sarah scored on the spelling test = 
Jonathan scored = 75%
By formulating both the values;

= 
Therefore ,
is the score of Jonathan.
Learn more about percentage here:
brainly.com/question/13450942
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2 49/100 in decimal form is 2.49 because a decimal in the one hundredths would be like this: 0.09 or 0.49, and the two is a whole number, so it would go before the decimal like this: 2.09 or 2.49.
Hope this helped:):)
Answer:
The answer is the option D
and 
Step-by-step explanation:
we have


we know that
The solution of the system of equations is the intersection point both graphs
Using a graphing tool
see the attached figure
The solution are the points
and 
therefore
The solution of the equation
are

so
For 



For 


therefore
and
because the intersection points are common points for both graphs
Answer:
she can type 68 words every minute.
Step-by-step explanation:
In a minute there is 60 seconds so in 15 seconds she can type 17 words you
will do 17x4.