Factor using the formula for the sum or difference of two cubes.8x3 - 1
A. (2x - 1)(4x2 + 1)
B. (8x - 1)(x2 + 2x + 1)
C. (2x - 1)(4x2 + 2x + 1)
D. (2x + 1)(4x2 - 2x + 1)
Answer: C
Mathematics
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Solve.13x + 11 = 180
A. 13 B. 156 C. 2 D. 160
Mathematics
Write the number in word form.31,435
A. Three thousand, one hundred thirty-five B. Three hundred one thousand, four hundred thirty-five C. Thirty-one thousand, four hundred thirty-five D. Thirty-one thousand, forty-five
Mathematics
Divide and/or multiply as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
÷ 
A. 
B. 
C. x - 6
D. 
Mathematics
Use the fundamental identities to simplify the expression.cos (-x) cos x - sin (-x) sin x
A. 0 B. cos2x sin2x C. 2 D. 1
Mathematics