Factor by any method.81k3m - 192m4
A. 3m(3k - 4m)(9k2 + 12km + 16m2)
B. (9km - 12m2)(9k2 + 16m2)
C. 3m(3k + 4m2)(9k2 - 12km + 16km2)
D. 3m(27k - 4m)(k2 + 12km + 16m2)
Answer: A
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Provide an appropriate response.The polynomial 17z3 is called a ? .
Fill in the blank(s) with the appropriate word(s).
Solve the problem.The number of centimeters, d, that a spring is compressed from its natural, uncompressed position is given by the formula d = 
, where W is the number of joules of work done to move the spring and k is the spring constant. Solve this equation for W. Use the result to determine the work needed to move a spring 2 centimeters if it has a spring constant of 0.6.
A. W = 2d2k; 4.8 joules
B. W = 
; 13.3 joules
C. W = 
; 0.4 joules
D. W = 
; 1.2 joules
Simplify.5[5 + 2(52)]
A. 1125 B. 275 C. 525 D. 5625
Use a graphing calculator to determine which of the following expressions asserts an identity.2 sin 
cos 
= ...
A. sin 
B. cos 
C. cos 
D. cos ?