I think that is the mean or the mode . I think more on mean
121.5
121.5 rounded to nearest whole number is 122 --> 121.49 rounded to the nearest whole number is 121
Answer:
6.93 cm
Step-by-step explanation:
You have a right triangle (90°), so you do as follow:
If I understand correctly, you are looking for the hypotenuse so

That is equal to 
Answer:
0, 1, 3, 6, 10, 15, 21, 28, 36, 45