Solve the problem.Find symmetric equations for the line through the points P(-1, -1, -3) and Q(2, -5, -5).

A.  =  = 
B.  =  = 
C.  =  = 
D.  =  = 


Answer: C

Mathematics

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Find the vertex, focus, and directrix of the parabola. Graph the equation.x2 = 12y

A. vertex: (0, 0)
focus: (3, 0)
directrix: x = -3

B. vertex: (0, 0)
focus: (-3, 0)
directrix: x = 3

C. vertex: (0, 0)
focus: (0, 3)
directrix: y = -3

D. vertex: (0, 0)
focus: (0, -3)
directrix: y = 3

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Use exponential notation to write the repeated multiplication.9 ? 7 ? 7 ? 7 ? 7 ? 7

A. 19 ? 57 B. 9 ? 75 C. (9 ? 7)5 D. 635

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Solve the problem.Which of the following investments would not be considered a primary asset class?

A. precious metals B. stock swaps C. cash D. real estate

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Simplify by first converting to rational exponents. Assume that all variables represent positive real numbers.

A. 2z
B. z6
C.
D. z24

Mathematics