Statements which describe education during the Dark Ages in the Middle Ages include: Few books existed.

Girls attended the same schools as boys.

Charlemagne and King Alfred were against learning.

Monks copied books by hand

. Growth of schools helped to bring an end to the Dark Ages.

Monks taught grammar, numbers, and philosophy.

Many schools were in every city

. Nuns taught cooking, needlework, and music

. The Catholic Church established the first school.​

trade

explanation:

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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i believe the correct answer is b.

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