If one rectangular solid with dimensions of 6 x 6 x10 millimeters is stacked on top of an identical rectangular solid so that the bottom of the top box lines up perfectly with the top of the bottom box, what is the surface area of this new rectangular solid?​

Express -5 2/5 as an improper fraction.

Plzzz answer both questions and i will give you 100 points

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat