Solve the problem.In a certain city, the cost of a taxi ride is computed as follows: There is a fixed charge of $2.55 as soon as you get in the taxi, to which a charge of $2.10 per mile is added. Find an equation that can be used to determine the cost, C(x), of an x-mile taxi ride, and use this equation to find the cost of a 5-mile taxi ride.
A. $13.95
B. $13.23
C. $13.05
D. $12.93
Answer: C
Mathematics
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Solve for the angle ?, where 0 ? ? ? 2?cos2? = 
A. ? = 
, 
, 
, 
B. ? = 
, 
, 
, 
C. ? = 0, ?, 2?
D. ? = 
, 
, 
, 
Mathematics
Use the laws of exponents to simplify. Do not use negative exponents in your answer.
A. 72
B. 
C. 714
D. 
Mathematics
Provide an appropriate response.An acute angle is less than __________ degrees.
Fill in the blank(s) with the appropriate word(s).
Mathematics
The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).x2 + y2 - 4x = 0
A. r = 4 sin ? B. r cos2 ? = 4 sin ? C. r = 4 cos ? D. r sin2 ? = 4 cos ?
Mathematics