Why does every decision involve trade-offs? A. because some decisions are made for business, others for society
B. because some people have more money than others
C. because everyone's resources are limited
D. because everyone has to make sacrifices

because everyone's resources are limited

Explanation:

A trade-off occurs when an individual has to lose a particular thing for the individual to gain something else. When there is an increase with regards to something, thus ultimately leads to a reduction elsewhere.

We make trade off due to resource scarcity. Due to the limited resources that we have, we have to make choices and choose something at the expense of another thing.

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