For children between the ages of 5 and 13 years old, the Ehrenberg equation 
gives the relationship between the weight W (in kilograms) and the height h (in meters) of a child. Use differentials to estimate the change in the weight of a child who grows from 1 m to 1.2 m.
?
A. 5.8 kg
B. 5.6 kg
C. 5.7 kg
D. 5.5 kg
E. 5.9 kg
Answer: B
Mathematics
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Solve. The average size of a house in square feet in Kewarmo County can be approximated by the polynomial 
where x is the number of years since 2006. What was the average size of a house in the year 2010?
A. 1911 sq ft B. 1781 sq ft C. 1782 sq ft D. 1821 sq ft
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Evaluate.-10 - x + y for x = -10 and y = -6
A. -26 B. 6 C. -6 D. -14
Mathematics
Decide whether the statement is true or false.(-2)6 is a negative number.
A. False B. True
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Solve.In a circle with a 12-ft radius, how long is an arc associated with an angle of 1.4 radians?
A. 8.6 ft B. 16.8 ft C. 10.6 ft D. 13.4 ft
Mathematics