Find the equation of the hyperbola with center ,  and

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?



A.
B.
C.
D.
E.

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Answer: B

Mathematics

Solve the problem.A researcher finds a positive correlation between the amount of coffee people drink and anxiety level. Can you conclude that drinking coffee causes anxiety? Propose other explanations for the correlation. Suggest some ways that the researcher could go about establishing causality. Refer to the six guidelines for establishing causality.

What will be an ideal response?

Add in the indicated base. 

A. 10012 B. 11012 C. 11112 D. 10102

Find, correct to the nearest degree, the angle between the planes.

Write the complex number in rectangular form.9(cos 180° + i sin 180°)

A. -9i B. 9 C. 9i D. -9