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°
Answer: D
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 4 for r(t) = (8 - 4t2)i + (9t + 10)j - e-6tk
A. v(4) = 32i + 9j + 6e-24k B. v(4) = -32i + 9j + 6e-24k C. v(4) = -16i +9j + 6e-24k D. v(4) = -32i + 9j - 6e-24k
Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.11.91 L = ____ gal
A. 45.0 gal B. 11.3 gal C. 12.6 gal D. 3.1 gal
Solve the problem.The outdoor temperature rises to 
Fahrenheit. What is this temperature in Celsius?
A. 29° B. 16.1° C. -3° D. -1.7°
Multiply.0.000926 × 1000
A. 0.926 B. 0.00926 C. 0.0926 D. 0.00000926