The answer is d because 2+y is the sum of 2 and y and then you multiply it by 5
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Answer:
(d) -√((2+√2)/(2-√2))
Step-by-step explanation:
5π/8 is a 2nd-quadrant angle whose reference angle is greater than π/4. This means the tangent is negative with a magnitude greater than 1. The only reasonable choice is ...

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<em>Additional comment</em>
This simplifies to -(1+√2). Your calculator can verify the choice for you.
Answer:
24
Step-by-step explanation:
This is the same question as before just flipped around
Answer:
26
Step-by-step explanation:
Use the Pythagorean Theorem: 