<h3>10(n²+n)-6(n²+2)</h3><h3>10n²+10n-6n²-12</h3><h3>10n²-6n²+10n-12</h3><h3>4n²+10n-12</h3>
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Answer:
B
Step-by-step explanation:
so it is equal to an irrational number.
2 is rational, and 
is irrational, because it is equal to 
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Answer:
The answer is 2
Step-by-step explanation:
4=2s
Divide both sides by 2
4/2=2
s=2
Answer:
40
Step-by-step explanation:
(6 + 2i)(6 – 2i) = 36 – 4i²
= 36 + 4 = 40
