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Answer: 
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Given: 
Find: 
Solution: We need to plug in the value -2 into every variable x that we have in the expression and simplify to get the solution.
<u>Plug in the values</u>
<u>Simplify</u>
- <u />

Therefore, the ordered pair that would match would have a x-coordinate of -2 and a y-coordinate of 4 producing (-2, 4) which matches option A.
Answer:
27
Step-by-step explanation:
18 divided by 2 is 9
So, 18+9=27
C(n,r) =n!/(r!(n-r)!)
c(n,r)= c (40,16)
= 40!/(16!(40-16)!)
=6.2852101650+10
=62852101650
The sum of all three is 6x^2y + 2xy^2