Find the length of the unknown side of the right triangle. In each case, a and b represent the lengths of the legs and c represents the length of the hypotenuse.
a = 20, c = 52; find b
A. 3104
B. 48
C. 2704
D. 4
Answer: B
Mathematics
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Provide an appropriate response.Suppose ?PQR ? ?ABC, where ?ABC is shown below. Find PQ.
A. 5 B. Cannot be determined C. 3 D. 4
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Simplify.(-2x5)(-9x2)
A. -11x7 B. 18x7 C. -18x10 D. -11x10
Mathematics
Use the rational zeros theorem to completely factor the given polynomial P(x).P(x) = 5x4 + 9x3 - 11x2 - 27x - 12
A. (5x + 4)(x - 1)(x - 
)(x + 
)
B. (5x - 1)(x + 4)(x - 
)(x + 
)
C. (5x + 4)(x + 1)(x - 
)(x + 
)
D. (5x - 4)(x + 1)(x - 
)(x + 
)
Mathematics
Find the exact value of the expression. Do not use a calculator.tan 150° cos 210°
A. 
B. 
C. 
D. - 
Mathematics