Calculate and express in the simplest form.

Calculate .

Simplify the result of .

Calculate and express in its simplest form.

Calculate and express the result in the simplest form.

Find the value of .

Determine the result of in its simplest form.

If and , find the value of .

Find in the simplest form.

Find the value of if .

If , , , and , find the value of .

Find the simplest form of .

Complete the following using the drawn number line: .

Complete by using the drawn number line: .

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