Add or subtract as indicated and write the result in standard form.6i + (-9 - i)
A. -9 + 5i
B. -9 + 7i
C. 9 - 7i
D. 9 - 5i
Answer: A
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Solve the problem.A baker can decorate the day's cookie supply four times as fast as his new assistant. If they decorate all the cookies working together in 16 minutes, how long would it take for each of them to decorate the cookies working individually?
A. baker: 80 minutes
assistant: 320 minutes
B. baker: 80 minutes
assistant: 20 minutes
C. baker: 5
minutes
assistant: 21 minutes
D. baker: 20 minutes
assistant: 80 minutes
Evaluate the square root and approximate to two decimal places if necessary.
A. 45 B. 90 C. 180 D. 8100
Provide an appropriate response.Explain how the expressions (8x)9 and 8x9 are different.
What will be an ideal response?
Graph the system of inequalities.x2 + y ? 1x2 - y ? 3
A. 
B. 
C. 
D. 