Solve the problem.Let angle POQ be designated ?. Angles PQR and VRQ are right angles. If ? = 32°, find the length of PQ accurate to four decimal places. 
A. 0.5299
B. 0.6249
C. 1.8871
D. 0.8480
Answer: A
Mathematics
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Let 
, 
. Find the rule for the function
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Solve.15x + 3x2 = 0
A. -7.5 B. -3, -5 C. 0, -5 D. -5
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Find the product.(9a + 5c)(9a - 5c)
A. 81a2 - 90ac - 25c2 B. 81a2 + 90ac - 25c2 C. 9a2 - 5c2 D. 81a2 - 25c2
Mathematics