First, use front end rounding to estimate each answer. Then find the exact answer.A certain town receives 303 days of rain a year. On average, how many days a year does it not rain?
A. estimate: 370 - 300 = 70 days; exact: 365 - 303 = 62 days
B. estimate: 400 - 303 = 97 days; exact: 365 - 303 = 62 days
C. estimate: 400 - 300 = 100 days; exact: 365 - 303 = 62 days
D. estimate: 365 - 300 = 65 days; exact: 365 - 303 = 62 days
Answer: C
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Solve the problem.An organization determines that the cost per person of chartering a bus is given by the formula 
where x is the number of people in the group and C(x) is in dollars. Find the inverse of the function.
A. C-1(x) = 
B. C-1(x) = 
C. C-1(x) = 
D. C-1(x) = 
Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 
Solve the problem.The following table lists the monthly precipitation P, in inches, in Salem, Missouri, where 
corresponds to January and x = 9 corresponds to September.
Determine the value of P during January.
A. 2.2 inches B. 1.5 inches C. 1.2 inches D. 1 inches
Solve the system of linear equations and check any solution algebraically.
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A. ?
B. ?
C. ?
D. ?
E. ?