The weight of a stack of different books be the number of books in the stack is that a relationship proportional o not

No

Step-by-step explanation:

If the books are different weights individually, then the weight isn't increasing the same amount each time a book is added, it isn't proportional :)

oof cheaters cheat because they’re lazy that’s why i cheat xd

: )

step-by-step explanation:

costs the what? what is the cost of the pants?

step-by-step explanation:

if it is $10, then the price is 14.

take 40% of the cost, and then add the cost.

40% of 10 = 4

4+10 = 14.