Solve the problem. Round to an appropriate number of significant digits.Carole's car averages 15.9 mi/gal in city driving and 24.1 mi/gal in highway driving. If she drove a total of 631.3 mi on 33 gal of gas, how many of the gallons were used for city driving?
A. 22 gal
B. 18 gal
C. 13 gal
D. 20 gal
Answer: D
Mathematics
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Evaluate the integral.
dx
A. 
sin 3x + 
sin3 3x + C
B. 7 sin 3x - 
sin3 3x + C
C. 
sin 3x - 
cos3 3x + C
D. 
sin 3x - 
sin3 3x + C
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Find the critical number(s), if any, of the function 
What will be an ideal response?
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Find A-1 without a calculator.A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
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Find the zero of the linear function.g(x) = 5x - 35
A. -7 B. 0 C. -35 D. 7
Mathematics