Solve the problem by estimating.Don travelled for 4 weeks in South America last year and spent $1807 while he was there. Estimate the average amount he spent each day. Round the number of days to the to the nearest ten and the amount of money spent to the nearest hundred.
A. $600
B. $50
C. $500
D. $60
Answer: D
Mathematics
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Solve the problem.What is the maximum number of DVDs costing $18 each that a person can buy with $170? How much change will the person receive?
A. 10; $8 B. 9; $8 C. 8; $8 D. 9; $9
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Solve the problem.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Determine the distance, w, the outside walls are apart, if the height of each wall is 12 m.
A. 21.6 m B. 10.8 m C. 117 m D. 13.1 m
Mathematics
Compute 
(h ? 0) for the given function.f(x) = 5x2 + 6x
A. 10x + 6 B. 10x + 5h + 6 C. 10x2 + 5h + 6x D. 15x - 7h + 12
Mathematics
Use a graphing utility to graph the equation.r = 
A. 
B. 
C. 
D. 
Mathematics