Find the conjugate of each complex number.-2 - 5j
A. -2 + 5j
B. 2 + 5j
C. 2 - 5j
D. -5 - 2j
Answer: A
Mathematics
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Solve the problem.Evaluate 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.At time t, the position of a body moving along the s-axis is 
m. Find the body's acceleration each time the velocity is zero.
A. a(2) = -18 m/sec2, a(8) = 18 m/sec2 B. a(2) = 0 m/sec2, a(8) = 0 m/sec2 C. a(2) = 18 m/sec2, a(8) = -18 m/sec2 D. a(4) = 24 m/sec2, a(16) = 4 m/sec2
Mathematics
Find the perimeter. Use 3.14 for ?.
A. 214 ft B. 219 ft C. 222 ft D. 216 ft
Mathematics
Find the value of the variable that satisfies the equation.-8x - 12x = -12
A. x = 8
B. x = 240
C. x = 
D. x = 
Mathematics