Answer the given question by setting up and solving the appropriate proportion. If necessary, round the answer to two decimal places.How many meters per second are equivalent to 81 km/h?
A. 135 m/s
B. 225 m/s
C. 1350 m/s
D. 22.5 m/s
Answer: D
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Find the center and the radius of the circle.3x2 + 3y2 + 6x - 12y - 60 = 0
A. (-1, 2), r = 5 B. (-2, 1), r = 25 C. (1, -2), r = 25 D. (2, -1), r = 5
Graph the fraction on a number line.
A. 
B. 
C. 
D. 
Solve.The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 60 seconds with an average speed of 5 feet per second. Find the average speed of the swimmer if it takes 75 seconds to finish the race.
A. 3 feet per second B. 4 feet per second C. 5 feet per second D. 6 feet per second
Complete the table for the function and find the indicated limit.
A. 1.9988, 1.9995, 1.9999, 1.9999, 1.9995, 1.9988 limit = 2 B. 1.9988, 1.9995, 1.9999, 1.9999, 1.9995, 1.9988 limit = -2 C. 1.9988, 1.9995, 1.9999, 1.9999, 1.9995, 1.9988 limit = 0 D. 1.9988, 1.9995, 1.9999, 1.9999, 1.9995, 1.9988 limit = 1