Answer:
$989 | 989 Dollar of United States
989
Step-by-step explanation:
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3?
3n²+4m+5
3n²+(4m+5)
=3n²+9m
=3n²/9m;(3÷9)(n²÷m)
=1n²/3m
=n²/3m
Answer: 90
opposite side is 90