How can I find the area?

Factor the polynomial. b^2 + 4b + 4

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer

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