Write as a radical expression. Simplify if possible.(-64)2/3
A. 
2 = 16
B. (-64)2/3 is not a real number.
C. 
2 = -4
D. 
2 = -16
Answer: A
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Fill in the blank(s) with the appropriate word(s).
Solve the problem.Two recording devices are set 2000 feet apart, with the device at point A to the west of the device at point B. At a point on a line between the devices, 300 feet from point B, a small amount of explosive is detonated. The recording devices record the time the sound reaches each one. How far directly north of site B should a second explosion be done so that the measured time difference recorded by the devices is the same as that for the first detonation?
A. 1245.32 ft B. 953.94 ft C. 728.57 ft D. 2270.83 ft
Evaluate the definite integral 
.
?
A. 
B. ?
C. 
D. 
E. 
Use a calculator to give the real number value.arcsec (2.8842912)
A. 69.714051 B. 0.35405662 C. 1.2167397 D. 1.5139822