Factor.12z6 - 7z3 - 12
A. 12(z3 - 4)(z3 + 3)
B. (4z3 + 1)(3z3 - 12)
C. (3z3 + 4)(4z3 - 3)
D. (4z3 + 3)(3z3 - 4)
Answer: D
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Solve the problem.The numbers on the right in the equations below are the hexagonal numbers. Use the sequence of equations to find a formula for hn, the nth hexagonal number. 1 = 1 1 + 5 = 6 1 + 5 + 9 = 15 1 + 5 + 9 + 13 = 28 ..............
A. hn = (n - 1)(2n + 1) B. hn = 2n(n - 1) C. hn = n(2n - 1) D. hn = n(2n + 1)
Solve the problem.A piece of cardboard is 0.04 in. thick. The cardboard is cut in half, with one half being placed on top of the other so that its thickness doubles for 10 times in a row. How thick would the final stack of cardboard be? Round to two decimal places.
A. 40.96 in. B. 6.30 in. C. 40.92 in. D. 20.48 in.
Perform the indicated operation. Simplify your answers. 
2
A. 2
B. 
C. 
D. 
Graph the parabola described.Vertex at (0, 0); Focus at (-3, 0)
A. 
B. 
C. 
D. 