Use the rotated system to graph the equation.7x2 + 2xy + 7y2 = 24
A. 
B. 
C. 
D. 
Answer: C
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A cleaning process is removing salt from a pool. The amount S, in pounds, of salt remaining after t hours is given in the following table. Use exponential regression to find the hourly percentage decay factor. Round your answer to two decimal places. t 1.05 4.33 7.93 11.86 15.60 S 23.36 13.22 7.62 4.43 2.23?
A. 16.56% B. 15.00% C. 16.89% D. 13.51%
Use the given information to find the exact value of the trigonometric function.sin ? = 
, ? lies in quadrant I
Find sin 
.
A. 
B. 
C. 
D. 
Solve the problem.The critical-path algorithm is
A. an optimal and inefficient algorithm. B. an approximate and inefficient algorithm. C. an optimal and efficient algorithm. D. an approximate and efficient algorithm. E. none of these
Draw the graph of the equation.y2 = 7x
A. 
B. 
C. 
D. 