Respuesta :

Dear Bookishfairy73, what you do for #13 is do (12.1x7)+(12.1x7)+(12.1x7)+(12.1x7)=338.8 squared inches. What you do for #14 is (3x3x3)+(23.4x3)=210.6 cubed inches. (Do i get brainliest?)