Add or subtract as indicated and write the result in standard form.-6 - (6 - 9i) - (3 - 2i)
A. -9 + 11i
B. -9 - 11i
C. -15 - 11i
D. -15 + 11i
Answer: D
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Solve the problem.A particle moves along an ellipse in the xy-plane in such a way that its position at time t is 
Find the maximum and minimum values of 
and 
. (Hint: Find the extreme values of 
2 and 
2 first and take
square roots later).
A. 
min = 5; 
max = 8; 
min = 45; 
max = 72
B. 
min = 15; 
max = 24; 
min = 15; 
max = 24
C. 
min = 15; 
max = 24; 
min = 45; 
max = 72
D. 
min = 
max = 24; 
min = 
max = 72
Solve the problem.Find the volume of a cube measuring 23 yd on each edge.
A. 1058 yd3 B. 529 yd3 C. 69 yd3 D. 12,167 yd3
Simplify the exponential expression.
A. x10y11 B. xy11 C. x11y11 D. x10y10
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination. x - 2y = -152x - 2y = -22
A. (-7, 4) B. (-6, -7) C. (-6, 3) D. No solution