Given that the pair of triangles is similar, find the missing length. 
A. x = 6
B. x = 20
C. x = 18
D. x = 24
Answer: C
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Solve.A meteor circles the earth in an elliptical orbit. The major axis of the elliptical orbit is 22 × 108 miles long and the minor axis is 12 × 108 miles long. If the earth is at one focus of the orbit what is the distance from the other focus?
A. 2 × 
× 103 mi
B. 2 × 
× 108 mi
C. 
× 104 mi
D. 2 × 
× 104 mi
Provide an appropriate response. A rental car costs $20 for a day plus $0.25 per mile. Write a function that represents the cost of the car for a single day if x represents the number of miles and f(x) represents the car rental cost.
A. f(x) = 20x + 0.25 B. f(x) = 0.25x C. f(x) = 0.25x + 20 D. f(x) = 20.25x
Find the value of the logarithm without using a calculator.ln e9
A. e ln 9
B. 9
C. 1
D. 
Solve.Alan walked 
mi to the store and then another 
mi to his friend's house. How far did he walk?
A. 
mi
B. 
mi
C. 
mi
D. 
mi