Find the side of a cube whose
surface area is 2646 sq cm.​

Step-by-step explanation:

SA=2646

6a²=2646

a=21cm

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.