54394 plus 13768

Thank you

Ineed if you could explain and give me the answer you! this needs done

The volume of a cube is 8 in to the 3rd power. how long is each side?

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items