Factor the sum or difference of two cubes.512x3 - 729
A. (8x - 9)(64x2 + 81)
B. (8x + 9)(64x2 - 72x + 81)
C. (512x - 9)(x2 + 72x + 81)
D. (8x - 9)(64x2 + 72x + 81)
Answer: D
Mathematics
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Provide an appropriate response.Multiply: 128 × 403
A. 51,685 B. 51,574 C. 51,584 D. 51,283
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Simplify the expression.
A. 
B. 4a4b8
C. 
D. 
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Simplify the exponential expression.
3
A. 
B. 
C. 
D. 
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If J of work are needed to stretch a spring from 10 cm to 12 cm and another 20 J are needed to stretch it from 12 cm to 14 cm, what is the natural length of the spring? Round the answer to nearest integer.
a. 12cm b. 8cm c. 13cm d. 11cm e. 10cm
Mathematics