Answer:
Option C.
Step-by-step explanation:
2x-y=5
Subtract 2x from both sides
-y=-2x+5
Multiply everything by -1
y=2x-5 would be your answer
Answer:
B) 69°
Step-by-step explanation:
The missing measure is supplementary angle of 111° which means their sum is equal to 180°
180 - 111 = 69.
The third option, 100*
making it an abtuse triangle
If incorrect, sorry
Answer:
#12 is 1
Step-by-step explanation: