Given a = 4.6, b = 6.1, and c = 9.1, use Heron's Area Formula to find the area of ?ABC. Round your answer to two decimal places.
?
A. 10.79
B. 9.89
C. 12.60
D. 8.58
E. 12.09
Answer: C
Mathematics
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Sketch the graph of the rational function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The radius r of a plastic tube used in manufacturing a child's toy must not differ from the standard s by more than 3 millimeters. The manufacturing engineers express this as 
Find the limits of r if the standard s is 37.
A. 34 ? r ? 40 B. 31 ? r ? 34 C. r ? 34 or r ? 40 D. r ? 31 or r ? 34
Mathematics
Graph the inequality.-1 < x ? 
A. 
B. 
C. 
D. 
Mathematics
Find the value of given trigonometric function. Round your answer to four decimal places.
?
?
A. 
0.3142
B. 
0.6142
C. 
- 0.4142
D. 
0.4142
E. 
0.5142
Mathematics