Answer:
x ≈ 27.86
Step-by-step explanation:
Supplement means 180 degrees.
7x - 15 = 180
~Add 15 to both sides
7x = 195
~Divide 7 to both sides
x ≈ 27.86
Best of Luck!
Idk if i'm exactly right but i think it's 500.73
Mutiply each by four to get n=-49.6. Hope this helped.
All of the choices (1 , 2 , 3 and 4) are correct