Answer:

Step-by-step explanation:
To convert from degrees to radians
radian = degree measure 
= 510 × 
= 
=
radians
Answer: m= -1/8
Good luck !
I have no idea what that is but good luck
X = y + 11
2x + y = -2
2(y + 11) + y = -2
2y + 22 + y = -2
3y + 22 = -2
3y = -24
y = -8
x = y + 11
x = -8 + 11
x = 3
Solution set {3, -8} (C)