Which of the following is not considered a risk factor for dementia? A vitamin deficiency
B. age of the individual
C. alcohol or drug abuse
D. having Down syndrome

c

Explanation:

1. a

2. a

3. c

4. d

6. b

there are all your answers!

hope this : )

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