Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places.
A. 
? 3.162
B. 
= 140.0
C. 
? 21.024
D. 
? 16.733
Answer: D
Mathematics
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Find the equation that the given graph represents.
A. P(x) = x3 + 4x2 - x - 5 B. P(x) = x5 + 4x3 - x2 + 3x - 5 C. P(x) = x3 + x2 + x + 5 D. P(x) = -x3 + 4x2 + x - 5
Mathematics
Complete the identity.csc2 
= ?
A. 
B. 
C. 
D. 
Mathematics
The augmented matrix is in row-echelon form and represents a system of linear equations. Solve the system using back-substitution.
A. {(4, 4)} B. {(3, 2)} C. ? D. {(5, 4)}
Mathematics
Simplify.
A. 
B. 
C. 
D. 18y(y + 4)
Mathematics