Combine like terms.y - y² + 4y + 7y² – 3 x3 + y² + 4y
2 answers:
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Answer:
55
Step-by-step explanation:
Combination will be used here as teams are a group.
So using combination:
<em>No. of combination of 'n' things taken 'r' at a time</em>
<em>=
</em>
here n = 11 ,
r = 9
11<em>C</em>9 <em>= =
</em>
11<em>C</em>9<em> =</em><em> 55</em>
<em>Which are the possible 9 player starting lineups</em>