Answer:
Step-by-step explanation:
3.
add exponents
4.
multiply exponents
5.
distribute and multiply exponents
6.
multiply and then add exponents
7.
distribute and multiply exponents
8.
multiply and then add exponents
x= 90° - 63° = 27° (NO perpendicular to AOB)
angle DOB = (90°+90°) -128° (angles on a straight line)
= 180° - 128°
= 52°
y= 180° - x - 63° - angle DOB (angles on a straight line)
=180° - 27° - 63° - 52°
= 38°
I'm not sure of the answer tho^^ good luck!
Answer: y=-3
Step-by-step explanation:
The answer to this question is 7x+1