Perform the indicated operation and, if possible, simplify. Assume that all variables represent positive real numbers. 
? 
A. 
B. 6x
C. x
D. 5
Answer: A
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Write the linear system corresponding to the reduced augmented matrix.
A. x1 = -4, x2 = t + 6, x3 = t for any real number t B. No Solution C. x1 = 4, x2 = -t + 6, x3 = t for any real number t D. x1 = 4, x2 = t + 6, x3 = 0
Solve the problem.In a certain city, the cost of a taxi ride is computed as follows: There is a fixed charge of $2.90 as soon as you get in the taxi, to which a charge of $2.20 per mile is added. Find an equation that can be used to determine the cost, C, of an x-mile taxi ride, and use this equation to find the cost of a 2-mile taxi ride.
A. $8.20 B. $7.48 C. $7.18 D. $7.30
Using the illustration, solve the right triangle. Express your answer using the appropriate number of significant digits.
c = __________ cm?A = __________ °? B = __________ °
What will be an ideal response?
Your state charges a license fee of 1.6% on the purchase price of a car. How much is the license fee for a car that costs $18,998?
A) $303.97 B) $16.00 C) $160.00 D) $243.17 E) $30.40