Answer:
∠2 = 51°
Step-by-step explanation:
The sum of supplementary angles = 180°
Equate the sum of the angles to 180 and solve for a
11a + 19 + 6a - 9 = 180
17a + 10 = 180 ( subtract 10 from both sides )
17a = 170 ( divide both sides by 17 )
a = 10
Hence
∠2 = (6 × 10) - 9 = 60 - 9 = 51°
Answer:

Step-by-step explanation:

Answer:
1/16
Step-by-step explanation:
1/2*1/2=1/4*1/2=1/8*1/2=1/16
I believe 8. Let me know if this works!
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Answer:
literally 2 other options |-x+3| and x+3
Step-by-step explanation:
The lines in front of the equation is absolute value, so you are basically counting how far it is from zero. It doesn't change the equation.