9514 1404 393
Answer:
Step-by-step explanation:
The agency's commission was ...
0.046 × $311,000 = $14,306
The agent's commission was ...
0.25 × $14,306 = $3,576.50
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The agency made $14,306; the agent earned $3,576.50.
-1/2
cos(x+pi) = -cos(x), so the answer is -1/2.
