Which two statements are true? The expression (3x)+(x2+x−12) represents the total area of the cake shown The expression 3 x plus open paren x squared plus x minus 12 close paren represents the , total area, of the cake shown The expression (4x+8) represents the total area of the cake shown The expression open paren 4 x plus 8 close paren represents the , total area, of the cake shown The expression (2x+1)2 represents the area of the bottom layer of the cake shown. The expression open paren 2 x plus 1 close paren squared represents the area of the , bottom layer, of the cake shown. The expression (3x) represents the area of the top layer of the cake shown The expression 3 x represents the area of the , top layer, of the cake shown The expression (3x)+(x2−12) represents the total area of the cake shown. The expression 3 x plus open paren x squared minus 12 close paren represents the , total area, of the cake shown.