How did the Athenian government select representatives from each tribe? A.
Representatives were chosen by lot.
B.
Each office was selected through a statewide election.
C.
Each tribe held its own elections.
D.
Only the wealthiest citizens were selected.

A just took the Test

Explanation:

Its correct...

porter is writing economic history because he is focusing on the cost of developing vaccines.

8 - (2a + 7) = a + 40     distribute/multiply - into (2a + 7)

8 - 2a - 7 = a + 40

1 - 2a = a + 40       add 2a on both sides

1 = 3a + 40         subtract 40 on both sides

-39 = 3a       divide 3 on both sides

-13 = a

[proof]

8 - (2a + 7) = a + 40

8 - (2(-13) + 7) = -13 + 40

8 - (-26 + 7) = 27

8 - (-19) = 27

8 + 19 = 27

27 = 27