Help please ToT, Simplify: 5 8/15 + 5 1/6

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show

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

On which number line are -3 and its opposite shown