Hi guys, I need help on this practice anyone willing to help; list of things to do 1.Show your work
2.Don't put somthing silly
3.Be smart in your choice
4. Answer correctly
5.You have less than 15 or 10 minutes

Thank you!

B. y = x - 2

Step-by-step explanation:

The sale price (y) is $2 less than the original price (x - 2).

To test this out, if a book's original price is $10..

x = 10

Using y = x - 2 and to test out if it works, we'll plug in x = 10 to discover y.

y = 10 - 2

y = 8

make sure you have version 2.50

try looking in the very back of the book : )

step-by-step explanation:

you can download it here