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
Mathematics
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
Mathematics
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
Mathematics
Simplify by first converting to rational exponents. Assume that all variables represent positive real numbers.
A. 2z
B. z6
C. 
D. z24
Mathematics