Solve the problem.Mustaf flew his helicopter at a speed of 54 km/hr. Express this speed in miles per hour.
A. 3.4 mi/hr
B. 86.4 mi/hr
C. 864 mi/hr
D. 33.8 mi/hr
Answer: D
Mathematics
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Factor the difference of squares.25k2 - 4m2
A. (5k + 2m)2 B. (5k + 2m)(5k - 2m) C. (5k - 2m)2 D. Prime
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Write an equation for the line passing through the given pair of points. Give your final answer in standard form.(-8, -9) and (-13, -6)
A. 3x - 5y = -69 B. -3x + 5y = -33 C. 3x + 5y = -69 D. 3x + y = 69
Mathematics
Is the following correspondence a function??
A. Yes B. No
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Find all cube roots of the complex number. Leave answers in trigonometric form.2 + 2i
A. 
cis 20°, 
cis 140°, 
cis 260°
B. 
cis 20°, 
cis 140°, 
cis 260°
C. 
cis 30°, 
cis 150°, 
cis 270°
D. 
cis 20°, 
cis 140°, 
cis 260°
Mathematics