For problems 3 to 6: The cost, C, of a tank of gasoline at a certain gas station is directly proportional to the number of gallons, g, held in the car's tank. A customer paid $104 for his tank which holds 13 gallons of gasoline. Find the cost, C, for a customer whose car has a 16 gallon tank for gasoline.
A. $11.56
B. $9
C. 
D. none of these
Answer: C
Mathematics
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Evaluate the integral by making a substitution and then using a table of integrals.
A. 
tan-1 
+ C
B. 
tan-1 
+ C
C. 
sin-1 
+ C
D. 
sin-1 
+ C
Mathematics
Find the partial sum  Figure 2.png)
of the series  Figure 3.png)
. Give your answer to five decimal places.
What will be an ideal response?
Mathematics
Solve the problem.In a composition class containing there are 12 freshmen, 23 sophomores, 11 juniors, and 25 seniors. What fraction of the class is seniors?
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression.32.6 - 4.9 ÷ 5.7 × 31.1 Round to the nearest hundredth if necessary.
A. 5.86 B. 0.16 C. 151.14 D. 987.12
Mathematics