Solve the problem.Karen and Ivan traveled at 95 kilometers/hour for 3.2 hours. Their total trip will be 610 miles long. How many miles do they still need to travel? (Round your answer to the nearest whole mile, if necessary.)
A. 306 mi
B. 551 mi
C. 422 mi
D. 678 mi
Answer: C
Mathematics
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Divide the rational expression. Express the quotient as a rational expression in lowest terms.
A. 10
B. - 
C. - 
D. - 
Mathematics
Give the domain and range of the relation.
A. range: (-?, -3) ? (-3, 0) ? (0, 3) ? (3, ?); domain: (-?, -10) ? (-10, 0) ? (0, 10) ? (10, ?) B. range: (-3, 0) ? (0, 3); domain: (-10, 0) ? (0, 10) C. range: (-?, ?); domain: (-?, ?) D. range: (-3, 3); domain: (-10, 10)
Mathematics
Add. Write a mixed numeral for the answer.
A. 7
B. 7
C. 7
D. 8
Mathematics
Solve the problem.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Refer to the figure and determine the height h of the outside walls.
a = b = 3 m
A. 60 m B. 48 m C. 7.7 m D. -42 m
Mathematics