Answer:
x = 12
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°
Sum the 3 given angles and equate to 180, that is
9x + 11 + 3x - 15 + 2x + 16 = 180, simplify left side
14x + 12 = 180 ( subtract 12 from both sides )
14x = 168 ( divide both sides by 14 )
x = 12
Answer:
Step-by-step explanation:
to use distributive property
you have to put the 4 inside the paranthese and multiply
4a+20 is your answer
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Take y2-y1 over x2-x1 to get the slope of the line
2-5/2-6
-3/-4
3/4
The answer to this is a=3