-3 . This is because if you divide any negative number by a positive number, you'll always get a negative answer.
I googled how to do markup 50%... and it took me awhile but I think I got the answer, $2.66 + $1.33 (into $1.33 from 2.66 x0.5) and u get $3.99
Sorry If I'm wrong but I hoped I helped!
First you divide L+W by 2 and you would get A/2=L+W then you would subtract L and get A/2 -L=W
Answer: 23
Step-by-step explanation:
Factor
b(b+12)=0
set to zero
b=0
b+12=0
b=-12
b=0 or -12
written as this way
b=-12,0
