Referring to triangle ABC, find the area of the triangle.
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a = 4.9 yd, b = 6.5 yd, c = 7.8 yd
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Round to three significant digits.
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S = __________ yd2
Fill in the blank(s) with the appropriate word(s).
15.9
Mathematics
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Add or subtract. Simplify the answer.
+ 
A. 
B. 
C. 
D. 1
Mathematics
For the given perimeter of the square, find the length of one side.The perimeter is 24 mm.
A. 6 mm B. 12 mm C. 24 mm D. 18 mm
Mathematics
Simplify the complex rational expression.
A. - 
B. - 
C. - 27
D. - 
Mathematics
For the simple harmonic motion described by the trigonometric function, find the frequency per second.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics