Find the equation of the hyperbola with vertices ,  and focus

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?



A.
B.
C.
D.
E. none of these

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Answer: C

Mathematics

The circulation M, in thousands, of a certain magazine t years after 2010 is given by ? . This formula is valid over the period from 2010 to 2015 only.A:  Make a graph of M versus t.B:  There are two values of t that have a circulation of 9 thousand.  Find both of them.C:  Explain in practical terms what is happening to magazine sales over the period from 2010 to 2015. ? Round your answer to two decimal places if necessary. ?

What will be an ideal response?

Evaluate the integral.

A. -  + (2 - 1)
B. - i + (2 - 1) j
C. i + (2 - 1) j
D. 7 j

Determine whether the system of equations is consistent with independent equations, consistent with dependent equations, or inconsistent.

A. Inconsistent B. Consistent with independent equations C. Consistent with dependent equations

Solve the formula for the indicated variable.r =  for S

A. S = 16?²r²
B. S = 4?r
C. S = 
D. S = 4?r²