Answer:
x=8
Step-by-step explanation:
Use the equal angle theorem so 3x+18=39. This equals 8 which is our answer.
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To know which fraction is greater than another is to first look at the denominator
<u>example</u>

if u look at the denominator the one with the highest denominator is the smallest and then you look at the numerator to imagine if its closer to the denominator or farther away from the denominator.
I think it would be B i’m sorry if it’s wrong have a good day!
Answer:
Perimeter of Triangle: 

Step-by-step explanation:
The perimeter is the sum of all of the sides of the triangle.
Hence, the perimeter 
Since the perimeter is 90,
.
Subtract 15 from both sides:


Divide both sides by 6:


$87.5 because 30% of 125 is 37.5 so 125-37.5 is 87.5