Simplify the difference.(6a + 9) - (-a - 2)
A. 5a + 7
B. 7a + 7
C. 7a + 11
D. 6a + 7
Answer: C
Mathematics
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Solve the problem.Write 
+ 
as a single iterated integral.
A. 
B. 
C. 
D. 
Mathematics
The following table shows the depth D, in inches, of snow on the ground h hours after the beginning of the snowfall.
2358
35810?
What is the value of 
?
What will be an ideal response?
Mathematics
Round following numbers as indicated.6.56 (nearest tenth)
A. 6.56 B. 6.6 C. 6.7 D. 6.5
Mathematics
Solve the problem.The equation F = 
C + 32 is used to convert a temperature given in degrees Celsius C to its equivalent temperature in degrees Fahrenheit F. Find the temperature C if the temperature F is 50 by solving the equation 50 = 
C + 32 visually, using the following graph. 
A. 18°C B. 38°C C. -38°C D. 10°C
Mathematics