Use the given triangles to evaluate the expression. Rationalize all denominators. 
sin 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Write the number in expanded form.623,865
A. (6 ? 105) + (2 ? 104) + (3 ? 103) + (8 ? 102) + (6 ? 101) + (5 ? 100) B. (6 ? 106) + (2 ? 105) + (3 ? 104) + (8 ? 103) + (6 ? 102) + (5 ? 101) C. (6 ? 101) + (2 ? 102) + (3 ? 103) + (8 ? 104) + (6 ? 105) + (5 ? 106) D. (6 ? 100) + (2 ? 101) + (3 ? 102) + (8 ? 103) + (6 ? 104) + (5 ? 105)
Mathematics
Find an equation for the graph.
A. y = -4 sin 
B. y = -4 cos (3x)
C. y = -4 sin (3x)
D. y = -4 cos 
Mathematics
Add or subtract as indicated. Simplify, if necessary.
- 
A. - 
B. 
C. - 
D. 
Mathematics
Factor using the ac-method.27x2 - 117x - 90
A. 9(3x + 2)(x - 5) B. prime C. 9(3x - 2)(x + 5) D. (27x + 18)(x - 5)
Mathematics