Answer:
I am pretty sure the anwser is A
the answer is C...... ....
C. .....
The answer is 4
Step-by-step explanation: i did it
99
Step-by-step explanation: 9*11=99
Step-by-step explanation:
4x -20 + 3x +12 = 90
7x -8 = 90
7x = 98
x = 14
Angle F: 4(14) -20 = 36
Angle E: 3(14)+12= 54
Angle G : 90
The supplement of a 9 degree angle is 171 degrees.