Decide if the number is rational or irrational.
A. Rational
B. Irrational
Answer: A
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Solve the problem.A runner is competing in an 8-mile race. As the runner passes each miles marker (M), a steward records the time elapsed in minutes (t) since the beginning of the race, as shown in the table. What is the runner's average speed over the first 2 miles? Round your answer to four decimal places.
A. 0.0862 miles/min B. 0.0649 miles/min C. 0.0690 miles/min D. 14.4928 miles/min
Simplify.
A.
B.
C.
D.
Solve the problem.The price of a printer was reduced from $400 to $240. What was the percent of decrease?
A. 66.7% decrease B. 45% decrease C. 40% decrease D. 60% decrease
Solve the problem.Trin's grocery bill was $9.95. He gave the clerk a $20 bill. How much change should he receive?
A. $9.05 B. $10.04 C. $10.05 D. $9.95