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 $2.30 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 3-mile taxi ride.
A. $9.40
B. $9.28
C. $10.30
D. $9.58
Answer: A
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Perform the indicated operation without the use of a calculator and express each answer in decimal notation.(2 × 104)(4 × 103)
A. 8,000,000 B. 8,000,000,000,000 C. 80,000,000 D. 800
Solve the problem. Write your answer as a mixed number when possible.A trawler caught 
ton of fish Monday and 
ton of fish Tuesday, but had to throw back 
ton. How many tons of fish remained from the two days' catch?
A. 
ton(s)
B. 3
ton(s)
C. 
ton(s)
D. 
tons
Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9 B. 12 C. 10 D. 2
Find the missing monomial, factor or term.-3x4(?) = 33x9 - 15x7 - 9x4
A. -11x5 - 5x3 + 3 B. -11x5 + 5x3 + 3x C. -11x5 + 5x3 + 3 D. -11x5 + 5x3 - 3