Factor the sum or difference of two cubes.343x3 - 729
A. (7x - 9)(49x2 + 63x + 81)
B. (7x - 9)(49x2 + 81)
C. (7x + 9)(49x2 - 63x + 81)
D. (343x - 9)(x2 + 63x + 81)
Answer: A
Mathematics
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after time t seconds. What is its maximum height?
A. 33 ft B. 99 ft C. 121 ft D. 124 ft
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Factor the perfect square trinomial completely.(x + 6y)2 + 4(x + 6y) + 4
A. (x + 6y - 2)2 B. (x - 6y + 2)2 C. (x + 6y + 2)2 D. (x + 6y - 2)(x - 6y + 2)
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. - 
D. - 
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