You work at a restaurant that has 20 tables. Each table has a set of salt and pepper shakers on it that are on the shape of square pyramids. How much salt do you need to fill all the salt shakers?

c

step-by-step explanation:

at least i think its

0 is its x and y coordinate

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.