Solve and check.2.8x = 14
A. x = 11.2
B. x = 
C. x = 9
D. x = 5
Answer: D
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Solve the problem.Find a parametrization for the ellipsoid 
+ 
+ 
= 1. (Recall that the parametrization of an ellipse 
+ 
= 1 is x = 8 cos ?, y = 9 sin ?, 0 ? ? < 2?).
What will be an ideal response?
Evaluate the integral.
A. 18x sin 
x - 36 cos 
x + C
B. 72 sin 
x - 36x cos 
x + C
C. 18 sin 
x + 36x cos 
x + C
D. 36x sin 
x + 72 cos 
x + C
Write the complex number in polar form.-6.00 - 9.60j
A. 11.3(cos 148.0° + j sin 148.0°) B. 11.3(cos 58.0° + j sin 58.0°) C. 11.3(cos 328.0° + j sin 328.0°) D. 11.3(cos 238.0° + j sin 238.0°)
Answer the given question by setting up and solving the appropriate proportion. If necessary, round the answer to two decimal places.One computer line printer can print 800 lines/min, and a second can print 2000 lines/min. If they print a total of 4200 lines while printing together, how many lines does each print?
A. 1100 lines, 3100 lines B. 1400 lines, 2800 lines C. 1200 lines, 3000 lines D. 1000 lines, 3200 lines