Solve the problem.City X is 40 miles due south of City Y, and City Z is 85 miles due west of City X. What is the bearing of City Z from City Y (to the nearest tenth of a degree)?
A. S 63.8°W
B. S 65.8°W
C. S 64.8°W
D. S 66.8°W
Answer: C
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Find the derivative of the function at the given point in the direction of A.
A. 
B. 
C. 4,096
D. 
Use estimation to determine which calculation is incorrect.
A. 
B. 
C. 
D. 
Perform the row operation(s) on the given augmented matrix.R2 = -2r2 + r1
A. 
B. 
C. 
D. 
Solve the problem.In a certain region, the median age of men, y, at their first marriage in a particular year can be approximated by the equation 
where x represents the number of years after 1980 and y is in years. In the same region, the median age of women, y, at their first marriage in a particular year can be approximated by the equation 
where x represents the number of years after 1980 and y is in years. If the current trend continues in this region, in what year will the median age of men at their first marriage equal the median age of women at their
first marriage? A. 2002 B. 1991 C. 2000 D. 2001