Solve the problem.A meter is a unit of measure in the metric system that is approximately equal to 39.37 inches. Helga is 2 meters tall. What is her approximate height in inches? Round the answer to two decimal places.
A. 78.54 in.
B. 7.87 in.
C. 785.40 in.
D. 78.74 in.
Answer: D
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Solve the problem.A force of 1300 lb compresses a spring from its natural length of 15 in. to a length of 14 in. How much work is done in compressing it from 14 in. to 7 in.?
A. 41,000 lb?in. B. 0.024 lb?in. C. 82,000 lb?in. D. 32,000 lb?in.
Solve the problem.The side of an equilateral triangle is 
shorter than the side of a square. The perimeter of the square is 
more than the perimeter of the triangle. Find the length of a side of the square.
A. 26 inches B. 27 inches C. 22 inches D. 25 inches
Test the vector field F to determine if it is conservative.F = x3y3z3i + x3y3z3j + z3k
A. Conservative B. Not conservative
Change the logarithmic expression to an equivalent expression involving an exponent.logb 49 = 
A. 492/3 = b
B. 
b = 49
C. b3/2 = 49
D. b2/3= 49