Simplify the radical. Assume that all variables represent positive real numbers.
A. 2x
B. 2x
C. x
D. 2x
Answer: B
Mathematics
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Determine whether the line integral is positive, negative or zero.
A. positive B. negative C. zero
Mathematics
Solve the problem.An auditorium has 15 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seats are in the auditorium?
A. 360 B. 390 C. 255 D. 300
Mathematics
Approximate to three decimal places.
A. 14.423 B. 14.421 C. 14.422 D. 14.412
Mathematics
Find the vertices and the foci of the given ellipse. +
= 1
A. V: (0, -8), (0, 8);
F: (0, - ) and (0,
)
B. V: (0, 64), (49, 0);
F: (0, 8), (7, 0)
C. V: (-8, 0), (8, 0)
F: (- , 0), (
, 0)
D. V: (0, -64), (0, 64);
F: (0, -8), (0, 8)
Mathematics