In ΔDEF, DF
is extended through point F to point G, m∠DEF = (x+11)^{\circ}(x+11)
, m∠FDE = (x+11)^{\circ}(x+11)
, and m∠EFG = (4x-4)^{\circ}(4x−4)
. What is the value of x?

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

Ithink i know it but i want to be sure so can you me out ?