Answer:
-4
Step-by-step explanation:
1 would be x right? once you plug it in it would be 3-7 which is -4. please lmk if this is wrong
Answer:
C
Step-by-step explanation:
Wrong answers and why:
A: it Is bigger than 180°
B: 180° is a straight line this one isn't straight
D: 150° Is too small
So C is the right answer
Answer:
x = 48
Step-by-step explanation:
We now that supplementary angles (as is the case for a straight line) add up to 180 degrees.
3x - 12 + x = 180
4x = 192
x = 48