14 + {-2 + 3[1 + 3(-6-2)]}
14 + { -2 + 3[1 + 3(-8)]}
14 + { -2 + 3[1 - 24]}
14 + { -2 + 3[-23]}
14 + {-2 - 69}
14 + {-71}
14 - 71
- 57 <==
3x - 12
3(3x/3 - 12/3)
3(x - 4)
The answer is: 3(x - 4).
A whole circle is 360 degrees. So add up the known degrees (115+105+60)=280degrees
Then 360-280=80 degrees
Answer: my teacher did this with me today.
Step-by-step explanation:
Explanation in picture
Step-by-step explanation:
The answer is scalene triangle