Find the exact value of the indicated trigonometric function of ?.tan ? = 
, 180°< ? < 270°Find cos ?.
A. 
B. - 
C. -8
D. 
Answer: B
Mathematics
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Write the expression with positive exponents only. Then simplify, if possible.2-3
A. 
B. 
C. -8
D. 8
Mathematics
Solve the problem.Place the numbers 9, 11, 12, 13 and 14 in the circles to make the sum across and vertically equal to 34. 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Two sailboats leave a harbor in the Bahamas at the same time. The first sails at 20 mph in a direction 340°. The second sails at 34 mph in a direction 220°. Assuming that both boats maintain speed and heading, after 3 hours, how far apart are the boats?
A. 137.2 miles B. 87.6 miles C. 103.9 miles D. 141.9 miles
Mathematics
Simplify the expression using the order of operations.-(-4)3
A. -12 B. -64 C. 64 D. -1
Mathematics