Which of the following is an action a company might take to lower its energy intensity?
i. apply energy conservation practices.
ii. initiate cogeneration in heating system.
iii. take on the costs of negative externalities.

i only
ii only
i and ii only
ii and iii only
i, ii, and iii

Answer is I. Energy conservation

Shutdown your computer. Computers are some of the biggest energy users in office buildings. ...

2Choose the right light. LED bulbs are the most energy efficient lighting option. ...

3Eliminate vampire power: unplug idle electronics. ...

4Use a power strip to reduce your plug load. ...

5Turn off the lights.

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