Solve.2(y + 3) = 3(y - 8)
A. 18
B. -30
C. -18
D. 30
Answer: D
Mathematics
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Name the conic (horizontal ellipse, vertical hyperbola, and so on) corresponding to the given equation.
+ 
= 0
A. Horizontal hyperbola B. Vertical hyperbola C. Vertical parabola D. Horizontal parabola
Mathematics
Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at x = - 6 and x = 6. The cross sections perpendicular to the x-axis are semicircles whose diameters run from 
to 
A. 288? B. 576? C. 144? D. 72?
Mathematics
Determine whether the lines through each pair of points are parallel, perpendicular, or neither.(-7, 3) and (-19, -3); (-3, -9) and (-6, -15)
A. neither B. parallel C. perpendicular
Mathematics
y? = 5x cos x
Solve the differential equation.
Mathematics