Solve the problem.Find the dimensions of a box with largest volume if it lies in the first octant, three of its faces lie in the coordinate planes, and the box lies beneath (or touching) the ellipsoid with equation 
A. 
by 
by 
B. 
by 2
by 4
C. 
by 
by 
D. 2
by 4
by 8
Answer: C
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Find a parametrization for the line segment beginning at P1 and ending at P2.P1(2, -2, -4) and P2(0, -2, 3)
A. x = 2t, y = -2, z = -7t + 3, 0 ? t ? 1 B. x = 2t, y = -2t, z = -7t + 3, 0 ? t ? 1 C. x = -2t + 2, y = -2t, z = 7t - 4, 0 ? t ? 1 D. x = -2t + 2, y = -2, z = 7t - 4, 0 ? t ? 1
Provide the requested approximation and answer with a complete sentence.In 2005, the population of a certain city was 96,882,560. Round this population to the nearest million.
A. The population of the city was approximately 96,000,000. B. The population of the city was approximately 100,000,000. C. The population of the city was approximately 96,900,000. D. The population of the city was approximately 97,000,000.
Find the vertices of the ellipse.
+ 
= 1
A. (2, -10), (2, 14) B. (-10, 2), (14, 2) C. (2, -13), (2, 17) D. (-13, 2), (17, 2)
Solve the problem.Inclusive of a 6.8% sales tax, a diamond ring sold for $2029.20. Find the price of the ring before the tax was added. (Round to the nearest cent, if necessary.)
A. $1891.21 B. $137.99 C. $2167.19 D. $1900