Solve the problem.In a certain city, the cost of a taxi ride is computed as follows: There is a fixed charge of $2.15 as soon as you get in the taxi, to which a charge of $1.90 per mile is added. Find a linear equation that can be used to determine the cost, C, of an x-mile taxi ride.
A. C = 1.90x + 2.15
B. C = 2.15x + 1.90
C. C = 2.55x
D. C = 4.05x
Answer: A
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A. Downward, narrower B. Downward, wider C. Upward, narrower D. Upward, wider
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A. 108.5 ft B. 15.5 ft C. 217 ft D. 14.731 ft
Find the indicated quantity.a1, when a18 = 47 and a12 = 29
A. -1 B. 3 C. 2 D. -4