Answer:
Final answer is choice B. 
Step-by-step explanation:
We need to factor the given expression 





Hence final answer is choice B. 
I hope this helps you
x=2
f (2)=(2+1)^2=3^2=9
Answer:
2009.6 and 13824 minutes and 230.4 hours
Step-by-step explanation:
v=3.14 x 4 x 2 x 80= 2009.6
<span>4x+2(3x-9)=42
first we want to distribute the 2 using the distributive property
4x+6x-18=42
Then we simplify
</span><span>10x-18=42
we add 18 to both sides
10x=60
divide both side by 10
x=6</span>