The pair of points that are equal to x coordinates is (0,0)
Answer:
1320, permutation
Step-by-step explanation:
There are 12 members
Pick a president
We have 12 choices
Now there are 11 people left to pick from
now pick a vp
We have 11 choices
Now there are 10 people left to pick from
now pick a secretary
We have 10 choices
12*11*10 = 1320
This is a permutation since it matters who is president, vp and secretary
we;retk;tykh'tk';rekw'kr'e
Aluminum
It's the second element in 3A and the third in the third period.
Combine like terms so combine -2x and x which gives you x=143