XY=WZ=28. (Opposite sides of a parallelogram are equal)
Angle Z=angle C=105
=>angle Y=180-105=75. (Co-interior angles are supplementary)
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Answer:
x = -1, -5
Step-by-step explanation:

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Give better description if they are both identical
Answer: Choice A) 90
The upper quartile, aka the third quartile (Q3), is visually represented by the right-side edge of the box, which is at 90 on the number line.
Answer: (b) Provide hints on what the teacher thinks is important
Explanation: Clearly, the teacher selects what to ask in the tests, and it is plausible to think that (s)he will select problems that they deem important.
The teacher will know that students look at past tests, and so they will tend to change the wording and values in the tests to prevent plagiarism, so (a) is not the right choice.