Simplify the expression. Assume that all variables are positive when they appear.
- 
A. 6
B. 2
- 4
C. 2 - 4
D. 4
- 2
Answer: B
Mathematics
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Suppose that a triangle has legs a and b and hypotenuse c, as illustrated in the figure. Then these values satisfy 
Use the Pythagorean Theorem as described above to find the value of x in the figure.
A. 5 B. -7 C. -5 D. 7
Mathematics
Match the function with its graph.1) y = sin 
2) y = cos 
3) y = sin 
4) y = cos 
A)B)
width="200" /> C) D)
A. 1C, 2A, 3B, 4D
B. 1B, 2D, 3C, 4A
C. 1A, 2B, 3C, 4D
D. 1A, 2D, 3C, 4B
Mathematics
Simplify the expression.
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Mathematics
Simplify.(92 - 2) ? 6
A. 474 B. 378 C. 69 D. 294
Mathematics