Expand using the binomial theorem.(x + 2y)3
A. x3 + 2x2y + 4xy + 4xy2 + 8y2 + 8y3
B. x3 + 6x2y + 12xy2 + 8y3
C. x3 + 8y3
D. 3(x + 2y)
Answer: B
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(Round to the nearest year.)
A. 12 yr B. 23 yr C. 14 yr D. 17 yr
Find an ordered pair that satisfies the given equation and uses the given value of x. y = -3x - 13 let x = -5
A. (-5, -5) B. (-5, 2) C. (-5, 4) D. (-5, -13)
Solve the problem.A rectangular piece of tin has an area of 648 square inches. A square of 3 inches is cut from each corner, and an open box is made by turning up the ends and sides. If the volume of the box is 1080 cubic inches, what were the original dimensions of the piece of tin?
A. 15 in. by 33 in. B. 18 in. by 36 in. C. 12 in. by 27 in. D. 21 in. by 39 in.
Select the graph of the polar equation using symmetry, zeros, maximum r-values, and any
other additional points.
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?
A. Symmetric with respect to 
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B. Symmetric with respect to
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C. Symmetric with respect to
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D. Symmetric with respect to
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E. Symmetric with respect to
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