Answer:
This is not a triangle
Step-by-step explanation:
If you use the triangle inequality theorem you can reach your answer.
The theorem states that if you add the length of any 2 sides together, you will have a length greater than the length of the other side. Using this method we can easily see that 7+6=13 which is less than 21. Meaning this is not a triangle
Answer:
C
Step-by-step explanation:
You would first add the two parts of the ratio to get ten, then divide 120 by ten to get 12. This means that each part of the ratio is worth 12 dollars, so to get the helper’s salary you would multiply 12 by three to get a total of 36.