(2n+1)(2n-1)(n+5)
=(4n^2+2n-2n-1)(n+5)
=(4n^2-1)(n+5)
=4n^3-n+20n^2-5
4n^3+20n^2-n-5
7/10 is bigger because it is more than half
B - 45 because 27 divided by 6 is 4.5 and then 10x4.5=44
<span>(u-9)6
= 6u - 54 ...expanded by using distributive property
hope that helps</span>
Answer:
1437.33
Step-by-step explanation:
