Find the sum. Simplify when necessary.
+ 
A. - 
B. 0
C. - 
D. - 
Answer: D
Mathematics
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Find the area of the triangle. Approximate values to the nearest tenth when appropriate.
A. 1120 cm2 B. 392 cm2 C. 560 cm2 D. 448 cm2
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Find the indicated term using the given information.a15 = 
, a45 = 
; a5
A. 
B. - 
C. -14
D. - 1
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Solve the problem.If cos ? = 
, ? in quadrant IV, find the exact value of tan
A. 
B. 
C. 
D. 
Mathematics
Solve.-12 ? -2c + 4 < -4
A. -8 ? c < -4 B. 4 ? c < 8 C. -8 < c ? -4 D. 4 < c ? 8
Mathematics