Use a graphing utility to graph the equation.5x2 + 
xy - 2y2 = 23
A. 
B. 
C. 
D. 
Answer: B
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Evaluate the double integral over the given region.
R: 0 ? x ? 1, 0 ? y ? 1
A. 
(e5 - e3 - e2 - 1)
B. 
(e5 - e3 - e2 + 1)
C. 
(e5 - e3 - e2 - 1)
D. 
(e5 - e3 - e2 + 1)
Use the elimination method to solve the system.4x + 2y = 197x - 2y = 19.5
A. (3.5, 3) B. (3.5, 2.5) C. (2.5, 3.5) D. (4, 2.5)
Solve.The speeds of pulleys are inversely proportional to the lengths of their diameters. The diameter of pulley A is 18 cm and the diameter of pulley B is 8 cm. If pulley B turns at 342 rpm's, how fast does pulley A turn?
A. 749.3 rpm's B. 769.5 rpm's C. 152 rpm's D. 174 rpm's
The percentage change in earnings before interest and taxes (EBIT) associated with a given percentage change in sales is known as the degree of _____ leverage.
A. financial B. total C. operating D. combined E. equity