Solve.Andrea's sleeping bag is designed for camping in temperatures of -9°C or warmer. For what Fahrenheit temperatures is her sleeping bag designed? Round to the nearest tenth of a degree.
A. 15.8° F or warmer
B. 41.4° F or warmer
C. -37.0° F or warmer
D. -22.8° F or warmer
Answer: A
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Calculate the flux of the field F across the closed plane curve C.F = (x+y)i + xyj; the curve C is the closed counterclockwise path around the rectangle with vertices at 
and 
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Graph the line and give the domain and the range.x = -5
A. D = {-5}, R = (-?, ?)
B. D = {-5}, R = (-?, ?)
C. D = (-?, ?), R = {-5}
D. D = (-?, ?), R = {-5}
Find the first year's depreciation, using the double-declining-balance method. Round to the nearest dollar.Cost: $3800Est. life: 5 yearsEst. scrap: $800
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