Use a proportion to solve the problem. Round to the nearest tenth as needed.A triangle drawn on a map has sides of lengths 8 cm, 10 cm, and 15 cm. The shortest of the corresponding real-life distances is 136 km. Find the longest of the real-life distances.
A. 170.0 km
B. 255.0 km
C. 160.0 km
D. 265.0 km
Answer: B
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How many permutations does a combination lock have if each combination has three numbers, no two numbers of any combination are equal, and the lock has 30 numbers? ?
A. 24,355 B. 24,295 C. 24,366 D. 24,360
Find the volume of the solid generated by revolving the region about the y-axis.The region enclosed by the triangle with vertices (3, 0), (3, 2), (5, 2)
A. 
?
B. 
?
C. 
?
D. 
?
State the practical meaning of the slope and vertical intercept in the given situation.The cost, in dollars, of a one-day car rental is given by 
where x is the number of miles driven.
A. $35 is the cost per day to rent the car and $0.22 is the cost per mile. B. $35 is the cost per day to rent the car and $22 is the extra cost for unlimited miles. C. $0.22 is the cost per day to rent the car and $35 is the cost per mile. D. $22 is the cost per day to rent the car and $0.35 is the cost per mile.
Find the exact value of the real number y.y = arcsec (1)
A. 0
B. 
C. -?
D. ?