Angle relationships. QUESTIONS ARE #1, & 2, Are <a & <b adjacent angles?

QUESTIONS ARE #3 Are <1 & <2 vertical angles?

QUESTIONS #4 What is the m<8 if m<9=45°?

QUESTIONS #5 What is the m<4 if m<3=137°

#1. No, they are not adjacent angles.

#2. Yes, they are adjacent angles.

#3. Yes, they are vertical angles.

#4. 45 degree. Because it's a vertical angle.

#5. 137 degree. Because it's a vertical angle.

please mark Brainliest if I'm correct  :}

reflecting point a across the origin negates both of its coordinates.

b = (5, -4)

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