A person purchased a used car for $6,000. The car was exploited for 3 years and was driven 9,300 miles. If it depreciates by 14% per year, what is the cost, in dollars per 100 miles, of depreciation?
a. $0.47
b. $15.57
c. $46.72
d. $434,482.76
c. $46.72
Mathematics
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Evaluate the expression for the given values. If necessary, round to the nearest tenth.6x2 + 3y x = 10, y = 5
A. 3090 B. 615 C. 3615 D. 180
Mathematics
Solve the problem.Convert 18°F to Celsius. Use the formula C = 
(F - 32). Round to the nearest tenth if necessary.
A. 64.4°C B. 22.0°C C. 0.4°C D. -7.8°C
Mathematics
Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z.x + 3y + 2z=114y + 9z=-12x + 7y + 11z=- 1
A. 
B. 
C. 
D. 
Mathematics
Graph the equation.y = x2 + 5
A. 
B. 
C. 
D. 
Mathematics