Simplify the square root. Assume all variables represent positive real numbers.
A. x 
B. 9x
C. 
D. 
Answer: C
Mathematics
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Find the vertices and foci of the ellipse.
+ 
= 1
A. Vertices: (±20, 0); Foci: ( ±12, 0) B. Vertices: (0, ±20); Foci: (0, ±16) C. Vertices: (±12, 0); Foci: ( ±16, 0) D. Vertices: (0, ±20); Foci: (0, ±12)
Mathematics
Find the area of the surface generated when the given curve is revolved about the x-axis. y = 4x + 5 on [0, 6]
A. 
B. 192
?
C. 204
?
D. 204?
Mathematics
Solve and check.x + 7 = 20
A. x = 27 B. x = 12 C. x = 140 D. x = 13
Mathematics
Use the vectors ,
to find the indicated quantity. State whether the result is a vector or a scalar.
Mathematics