Answer:
See below.
Step-by-step explanation:
9+(-4), or 9-4
7+(-2), or 7-3
5+0
They all equal 5.
-hope it helps
well, in short, the students and chaperones are at a 2 : 9 ratio, and we know there are 171 students, how many chaperones then, so long they maintain a 2:9 ratio?

Answer:yes
Step-by-step explanation:
Answer: 4/52
Step-by-step explanation:
Because thwre are 4, fives in a normal deck so the probability would be 4/52 not simplifyed
Answer:
3
Step-by-step explanation:
Average = total sum of all numbers/number of items in set
Average = 18/6
Average = 3