7th grade math need some help with this

Graph the equationy= x+3[tex]y = x + 3[/tex]

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1

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