Answer:

Explanation:
The diagonal of a square is x units.
Let the side of a square is s.
Using pythagoras,

The area of the square is,
A = s²
So,

So, the area of a square is
sq units.
Westward expansion meant that the US acquired ever increasing amounts of land, and needed people, farmers, to settle there so it could maintained without a huge military presence
C) mountains
I just did this and it is the right answer
Heat- the total energy of all the molecular motion inside a particular object.
Temperature- the average heat of the molecules inside a particular substance.
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Answer:
the last option
inner core outer core asthenosphere lithosphere
Explanation:
i just know