Solve the problem.A sphere has a radius of R. A second, smaller sphere has a radius of 4. Find an expression, in factored form, for the difference of the volumes of the two spheres. The formula for the volume of a sphere is 
.
A. 
?(R - 1)(R2 + 4R + 64)
B. 
?(R + 4)(R2 - 4R + 16)
C. 
?(R - 4)3
D. 
?(R - 4)(R2 + 4R + 16)
Answer: D
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Answer the question.Mrs. Delgado used 3 eggs when she baked bread for a bake sale. What fraction of a dozen eggs did she use? (1 dozen = 12)
A. 
dozen
B. 
dozen
C. 
dozen
D. 
dozen
Solve the right triangle shown in the figure. Round lengths to one decimal place and express angles to the nearest tenth of a degree. 
A = 32°, b = 49.9
A. B = 32°, a = 42.3, c = 31.2 B. B = 58°, a = 31.2, c = 58.8 C. B = 58°, a = 79.9, c = 94.2 D. B = 32°, a = 79.9, c = 42.3
Find an equation in standard form for the ellipse that satisfies the given conditions.An ellipse with major axis from (-8, 1) to (4, 1); minor axis from 
to 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Find all solutions of the equation in the complex number system.9x2 + 16 = 0
A. 
B. 
C. 
D. 