Which of the following is the best measurement unit to estimate the width of a penny?
A. ?millimeters
B. ?centimeters
C. ?inches
D. ?a dime's width
E. ?lined paper
Answer: A
Mathematics
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Solve. Round your answer to the nearest tenth.Find the area of a circle with a diameter of 37 feet.
A. 232.4 ft2 B. 1074.7 ft2 C. 4298.7 ft2 D. 116.2 ft2
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Find the unit rate.A store charges $1.86 for 6 pears. What is the unit price per pear?
A. $0.31 per pear B. $3.23 per pear C. $1.86 per pear D. $11.16 per pear
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Find the second-order partial derivative.Find 
when z = exln ?y?.
A. - 
B. exln ?y?
C. 
D. -exln ?y?
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Write the decimal as a percent.0.2923
A. 2.923% B. 2923% C. 0.2923% D. 29.23%
Mathematics