The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
What temperature was recorded at 2 p.m.?
A. 80 ° F
B. 78 ° F
C. 79 ° F
D. 76 ° F
Answer: B
Mathematics
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Provide an appropriate response.Calculate the area of the asteroid x2/3 + y2/3 = 9. Hint: Parametrize by 
, 
, 0 ? t ? 2?.
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Solve the problem.In a chemistry class, 8 L of a 4%-silver iodide solution are mixed with a 10%-silver iodide solution to get a 6% solution. How many liters of the 10% solution are needed?
A. 8.0 L B. 3.0 L C. 4.0 L D. 5.0 L
Mathematics
Which fraction appears in the partial fraction decomposition of 
?
?
A. 
B. 
C. 
D. 
E. none of these
Mathematics
Simplify. Write your answer in the form a + bi, where a and b are real numbers.(-5 - 6i) + (9 + 4i)
A. 4 + 2i B. 9 + 2i C. 9 - 2i D. 4 - 2i
Mathematics