Hey there!
The biggest side in the set of 3 lengths needs to be lower than the sum of the two lower numbers. So 3 is not lower than 1+1. 10 is not less than 3+4. 5 is the same as 3+2. This is not possible because this makes a line. So the biggest side can’t equal the sum of the two lower sides. 10 is less than 5+9. So the answer would be the last one. 10 cm, 5 cm, 9 cm.
I hope this helps!
You are correct. The higher the standard deviation is, the more spread out the data set will be. Nice work.
Step-by-step explanation:
the answer is in the above image
Well if they’re getting a quarter of it, they’re receiving 500, 500 divided by 2 is 250 so I would guess A