Answer:
2n^{2} +2n
INSERT
Step-by-step explanation:first you want to move the negative which is negative 1 into the set of parenthesis and then Foil the two parenthesis together and the combine like terms
Answer:
340 children, 210 adults.
Step-by-step explanation:

Answer:
what the heck
was that also i'm country
Step-by-step explanation:
The median would be: 7.9
and the mean would be:7.4714285714 (you are able to chop that down a bit if needed)