Find the area or volume of the figure, as specified.Find the volume.

A. 81y3 yd3
B. 729y3 yd3 
C. 1458y3 yd3 
D. 19,683y3 yd3 


Answer: D

Mathematics

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Find the standard form of the equation of the ellipse satisfying the given conditions.Foci: (0, -4), (0, 4); vertices: (0, -7), (0, 7)

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

Mathematics

Factor completely. If the polynomial is prime, state this.-20x3 - 40x2 - 15x

A. x(2x + 3)(-10x - 5) B. -5x(2x + 3)(2x + 1) C. -5(2x2 + 3)(2x + 1) D. x(-10x - 15)(2x + 1)

Mathematics

Solve. -  = 

A. - 
B.
C. - 
D.

Mathematics

Use sum-to-product formulas to rewrite the expression as a product.sin 10x + sin 4x

A. 2 sin 7x cos 3x B. 2 sin 7x sin 3x C. 2 cos 7x sin 3x D. 2 sin 14x

Mathematics