For ?ABC with side lengths 2.5 feet, 2 feet and 3 feet:
(a) ?A = 41.4°, ?B = 55.8°, ?C = 82.6°
(b) ?A = 82.6°, ?B = 41.4°, ?C = 55.8°
(c) ?A = 55.8°, ?B= 41.4°, ?C = 82.6°
(d) ?A = 56°, ?B = 44°, ?C = 90°
(c) ?A = 55.8°, ?B= 41.4°, ?C = 82.6°
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A gas-filled balloon is released from the top of a tall building, and it rises. The following table shows the altitude A, in meters, of a balloon t seconds after release. Round your answers to one decimal place, if necessary. t 4 6 8 10 A 65 73.8 82.6 91.4? A: Complete a table of changes to show that the data are linear.B: Find a linear model for the data.C: How tall is the building from which the balloon was released?D: Plot the data along with the linear model you found in part B.
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Provide an appropriate response.If an equation has fractions as coefficients, what step will make work easier?
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Write the mixed number as an improper fraction.7
A. 
B. 
C. 
D. 
Economists define the disposable annual income for an individual by the equation D = (1 - r)T, where T is the individual's total income and r is the net rate at which he or she is taxed. What is the disposable income for an individual whose income is $20,000 and whose net tax rate is 31%? ?
A. $6,200 B. $47,600 C. $20,000 D. $13,800 E. $33,800