Solve.The seats in a lecture hall are arranged in 17 rows with 8 seats in each row. How many seats are in this lecture hall?
A. 136 seats
B. 144 seats
C. 146 seats
D. 128 seats
Answer: A
Mathematics
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Find the value of the expression.(-19 - 15)(-10 - 21)
A. -44 B. 1054 C. -1054 D. 44
Mathematics
Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = (x2 + y2)i + (x - y)j; C is the rectangle with vertices at (0, 0), (6, 0), (6, 6), and (0, 6)
A. 252 B. 0 C. -180 D. 180
Mathematics
Find zw or 
as specified. Leave your answer in polar form.z = 1 - iw = 1 - 
iFind 
.
A. 
(cos 75° + i sin 75°)
B. 
(cos 75° + i sin 75°)
C. 
(cos 15° + i sin 15°)
D. 
(cos 15° + i sin 15°)
Mathematics
Evaluate the radical expressions or indicate that the root is not a real number.
A. -5 B. 625 C. 5 D. not a real number
Mathematics