Use the given information to find the exact value of the trigonometric expression.sin ? = 
; The terminal side of ? lies in Quadrant II.
Find tan 2?.
A. 
B. 
C. - 
D. - 
Answer: A
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In a school survey, students showed these preferences for instructional materials. Answer the question.
About how many students would you expect to prefer films in a school of 900 students?
A. About 20 students B. About 162 students C. About 108 students D. About 180 students
Use the brute force algorithm to find a minimum Hamilton circuit for the graph. Also, determine the total weight of the minimum Hamilton circuit.
A. Minimum Hamilton circuits are A ? C ? B ? D ? E ? A and A ? C ? E ? B ? D ? A; 
B. Minimum Hamilton circuit is A ? B ? D ? E ? C ? A; weight = 49
C. Minimum Hamilton circuit is A ? C ? B ? E ? D ? A; weight = 45
D. Minimum Hamilton circuits are A ? C ? B ? D ? E ? A and A ? E ? C ? B ? D ? A; 
Shade the region of feasible solutions for the given constraints. x + y ? 3-3x + y ? -7x ? 0, y ? 0
A. 
B. 
C. 
D. 
Solve the problem.A lab technician has 355 mL of a solution of water and acid. 6% is acid. How many milliliters are acid? Round to the nearest hundredth if necessary.
A. 17.75 mL B. 213.00 mL C. 21.30 mL D. 24.85 mL