X + x + 12 + x - 9 = 180
3x = 180 - 12 + 9
3x = 168 + 9
3x = 177
x = 59 degrees
Angle 1 = 59 degrees
Angle 2 = 59 + 12 = 71 degrees
Angle 3 = 59 - 9 = 50 degrees
Answer:
The 1st, 2nd and last statement on the +3 side and the rest three statements on the -3 side
Answer:
The y-axis is the correct answer.
Answer:
C. Yes, the density equals that of pure silver (10.5)
Step-by-step explanation: