Why was the August 1942 B17 bombing run targeting the Nazi railway yards at Rouen unique? *

A. No one had tried to disrupt an enemy supply line before.
B. B17 bombers were still an experimental aircraft.
C. The planes were flying at a very low altitude to ensure the greatest accuracy, which was highly dangerous.
D. The pilots were using a new device, the Norden bombsight, to ensure accuracy.

Which then-experimental tracking technology temporarily spotted the Japanese on their way to Pearl Harbor? *

A. Sonar
B. Radar
C. Lidar
D. Option 4GPS

please answer quick. and this is due today

what are local authorities doing to fix the problem

explanation:

abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.

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