In what way did scientists most likely help change the attitudes about dumping pollutants into Lake Washington? A. scientists tried to convince the citizens that they could live with the water-quality situation.

B. scientists write informative articles about the situation for the local newspaper.

C. scientists tried to take the control of water quality away from the local government

D. scientists kept what they knew about the condition of the lake from the citizens

B. scientists write informative articles about the situation for the local newspaper.

Explanation:

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if triangle abc is congruent to triangle def, their interior angles are congruent, because congruent parts of congruent triangles are congruent (cpctc).

that means ∠d is congruent to ∠a; ∠d is equal to 8x - 2.

interior angles of all triangles add to equal 180 degrees, so you can set the sum of these interior angle values equal to 180 and solve for x.

180 = (8x - 2) + 22 + 72

180 = 8x - 2 + 22 + 72

180 = 8x + 92

88 = 8x

11 = x

x = 11