Solve the problem.A man rode a bicycle for 12 miles and hiked an additional 8 miles. The total time for the trip was 5 hours. If his bicycling rate was 10 miles per hour faster than his hiking rate, then what was his hiking rate?
A. 1 mph
B. 3 mph
C. 4 mph
D. 2 mph
Answer: D
Mathematics
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Solve the inequality 
. Restrict your attention to positive values of 
. Round your answer to two decimal places.
?
A. 
B. ?
and 
C. ?
and
D. ?
Mathematics
Provide an appropriate response.Solve the system of equations using the substitution method:3x + y = 5x = -2y
A. y = -1, x = -2 B. x = 2, y = -1 C. inconsistent; no solution D. dependent; many solutions
Mathematics
Solve the equation by completing the square.2m2 + 12m + 5 = 0
A. 
B. 
C. 
D. 
Mathematics
Insert the symbol <, >, or = to form a true statement.54.000 
54.0000
A. 54.000 < 54.0000 B. 54.000 > 54.0000 C. 54.000 = 54.0000
Mathematics