Use dimensional analysis to convert the quantity to the indicated units. If necessary, round the answer to two decimal places.81 ft to yd
A. 243 yd
B. 27 yd
C. 2916 yd
D. 9 yd
Answer: B
Mathematics
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Evaluate the expression for the given replacement values.x ÷ y, for x = 250 and y = 5
A. 48 B. 50 C. 53 D. 52
Mathematics
Solve the problem.The number of people running a local race has increased dramatically during the past years. The polynomial 
models the number of people that run the race each year, where 
corresponds to 2000 and 
corresponds to 2010. Use the polynomial to estimate the number of runners in 
A. 1174 runners B. 347 runners C. 1867 runners D. 587 runners
Mathematics
Divide where possible.
A. 27
B. -27
C. - 
D. Undefined
Mathematics
Perform the indicated operation. Write the answer in scientific notation.(3 × 10-1)(2 × 10-7)
A. 6 × 10-7 B. 6 × 107 C. 60 × 10-8 D. 6 × 10-8
Mathematics