Translate the percent statement to a proportion.80% of 75 is 60.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: B
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Perform the indicated operation and simplify if possible.
A. 100
B. 10
C. 2
D. 4
The position vector of a particle is r(t). Find the requested vector.The velocity at t = 0 for r(t) = cos(4t)i + 3ln(t - 7)j - 
k
A. v(0) = 
j
B. v(0) = -4i - 
j
C. v(0) = 4i - 
j
D. v(0) = -
j
A plane is flying with an airspeed of 243 miles per hour with heading 271.7°. The wind currents are running at a constant 44.7 miles per hour in the direction 261.6°. Find the ground speed and true course of the plane. ? Apply the rules regarding the use of significant digits after all computations are complete. ? __________ mph with heading __________°
What will be an ideal response?
For the compound inequality, give the solution set in both interval and graph forms. 5x - 5 ? -15 or 5x - 5 ? 5
A. (-?, -2] ? [2, ?)
B. [-2, 2]
C. (-?, 2]
D. [-2, ?)
