Factor out the greatest common factor.15wx - 25wy - 20wz
A. 5w(3x - 25wy - 20wz)
B. 5(3wx - 5wy - 4wz)
C. 15w(x - 25y - 20z)
D. 5w(3x - 5y - 4z)
Answer: D
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Find all cube roots of the complex number. Leave answers in trigonometric form.-6
- 6i
A. 
cis 70°, 
cis 190°, 
cis 310°
B. 
cis 70°, 
cis 190°, 
cis 310°
C. 
cis 70°, 
cis 190°, 
cis 310°
D. 
cis 80°, 
cis 200°, 
cis 320°
Determine whether f and g are inverses by determining whether 
and 
f(x) = 
, g(x) = 
A. Yes B. No
Use the fundamental identities to find the value of the trigonometric function.Find sin ? if tan ? = - 
and cos ? > 0.
A. - 
B. 
C. - 
D. - 
Solve.A stone is a unit in the British customary system. Paul weighs 94.5 kilograms. Convert this weight to stones and pounds. Round to the nearest pound. Use this conversion: 
A. 14 stone 12 lb B. 3 stone 11 lb C. 20 stone 8 lb D. 6 stone 12 lb