Solve the equation on the interval 0 ? ? < 2?.tan(2?) - tan ? = 0
A. {0, ?}
B. 
C. 
D. {0}
Answer: A
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Find the equation of the least-squares regression line. Graph the line and data points on the same graph.
A. y = 70.4 - 6.2x
B. y = 90.0 - 5.0x
C. y = 40.0 - 6.25x
D. y = 100.4 - 6.2x
Polar coordinates of a point are given. Find the rectangular coordinates of the point.(-3, -135°)
A. 
B. 
C. 
D. 
Solve.The owner of Nuts2U Snack Shack mixes cashews worth $5.75 a pound with peanuts worth $2.00 a pound to get a half-pound mixed nut bag worth $1.90. How much of each kind of nut is included in the mixed bag?
A. 0.26 lb of cashews and 0.24 lb of peanuts B. 0.07 lb of cashews and 0.93 lb of peanuts C. 0.24 lb of cashews and 0.26 lb of peanuts D. 0.10 lb of cashews and 0.90 lb of peanuts
Determine whether the Law of Sines or the Law of Cosines should be used to begin to solve the given triangle. Do not solve the triangle. 
A. Law of Cosines B. Law of Sines