Solve the equation.2x - 6x + 7 = 8x
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.The vertex and focus of one parabola are, respectively, the focus and vertex of a second parabola. Find the equation of the first parabola, if 
is the equation of the second.
A. y2 = 32(x - 8) B. y2 = -32(x + 8) C. y2 = -32(x - 8) D. y2 = 32(x + 8)
Mathematics
Solve.A 12% salt solution is mixed with an 18% salt solution to obtain five liters of a 15% salt solution. How many liters of each solution must be added?
What will be an ideal response?
Mathematics
Graph the given function as a solid line (or curve) and its inverse as a dashed line (or curve) on the same set of axes.f(x) = - 
A. 
B. 
C. 
D. 
Mathematics
Find the volume of a rectangular box with length L, width W, and height H.L = 
km, w = 
km, h = 49 km
A. 7 km3
B. 14 km3
C. 
km3
D. 
km3
Mathematics