It's 0 because 10+10 = 20 then subtract 20 and you get zero.
Yes... indeed it is 1/8 because
125/1000 In simplest form is 1/8
D) because “y is” means “y equals” leaving only 2 choices, and it said “6 less than the independent variable, 6. (Y=6-x)
To find the cost of each book, you need to divide the money spent on all of the books by the number of books.
$39 / 10 = $3.90 per book