Answer:
The surface area increases by 4 times.
Explanation:
Surface area of a square pyramid:

Where:
A = surface area
b = base edge
h = height
Doubling the values gives us a b = 4 and h = 6.
Putting those into the equation gives us:




And the decimal approximation:

Which roughly equals to 4 times the first surface area.
The purpose of Western cattle drives to bring cattle to eastern markets,
mostly through railroad hubs.
<h3>What is a Cattle drive?</h3>
This involves the movement of cattle from one place to another by the
herders.
After the Civil war, there was shortage of cattle in the Eastern region which
led to the Western cattle drive. This involved the movement of cattle to the
eastern part to ensure adequate supply of beef and also for making of
money by the herders.
Read more about Cattle drives here brainly.com/question/9782614
I think it's B: The Muslim Empire extended across northern Africa into Europe in 750.
Answer:
True
Explanation:
The Lend-Lease Act stated that the U.S. government could lend or lease (rather than sell) war supplies to any nation deemed “vital to the defense of the United States.” Under this policy, the United States was able to supply military aid to its foreign allies during World War II while still remaining officially neutral
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