Solve the problem.In a certain city, the cost of a taxi ride is computed as follows: There is a fixed charge of $2.50 as soon as you get in the taxi, to which a charge of $1.95 per mile is added. Find an equation that can be used to determine the cost, C(x), of an x-mile taxi ride.
A. C(x) = 2.50 + 1.95x
B. C(x) = 4.45x
C. C(x) = 2.95x
D. C(x) = 1.95 + 2.50x
Answer: A
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Determine whether the system corresponding to the given augmented matrix is consistent or inconsistent. If it is consistent, give the solution.
A. consistent; x = -5, y = 5, z = 1; (-5, 5, 1) B. consistent; x = 1, y = 5, z = -5; (1, 5, -5) C. consistent; x = 1, y = -5, z = 5; (1, -5, 5) D. inconsistent
Provide an appropriate response.True or False? If a is any real number, and m and n are integers, then 
= am-n.
A. True B. False
Solve.The first side of a triangle is 10 feet longer than the second. The third side is 12 feet less than double the second. The perimeter of the triangle is 90 feet. Let s represent the length of the second side and define the variable expressions in terms of s for each of the three sides.
A. length of first side = s - 10 length of second side = s length of third side = 2s - 12 B. length of first side = s + 10 length of second side = s length of third side = 12 - 2s C. length of first side = s - 10 length of second side = s length of third side = 2(s - 12) D. length of first side = s + 10 length of second side = s length of third side = 2s - 12
Write the following number in decimal form.
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