Solve the application.At midnight, the temperature was -9.7°C. By 3 AM, the temperature had fallen 5.3 °C. What was the temperature at 3 AM?
A. -4.4°C
B. 4.4°C
C. -15°C
D. 15°C
Answer: C
Mathematics
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Perform the indicated operation. Write the result in the form a + bi.(-3 + 8i) - 2
A. -1 + 8i B. -5 + 8i C. 5 - 8i D. -1 - 8i
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Find the probability of the given event.Two fair dice are rolled. The sum of the numbers on the dice is 6 or 10.
A. 
B. 
C. 
D. 
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Use the indicated property to provide a new expression equal to the given expression. Simplify, if possible.(4x + 6y) + 9z; associative
A. 4x + (6y + 9z) B. 4x + 6y + 9z C. (4x + 6y + 9z) D. (6y + 4x) + 9z
Mathematics
Provide an appropriate response.Is the best buy (lowest cost per unit) always the best value? If it is not, give an example and explain why.
What will be an ideal response?
Mathematics