Graph the polar equation for ? in [0°, 360°).r = 7 sin 3? sin 4?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Subtract.-26 - (-51)
A. -25 B. -77 C. 25 D. 77
Mathematics
Give the appropriate form of the partial fraction decomposition.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Mathematics
Solve the system using matrices.5x - 2y = -1 x + 4y = 35
A. (3, 9) B. (2, 8) C. (3, 8) D. (2, 9)
Mathematics
Solve the problem.A chemistry department wants to make 3 L of a 17.5% basic solution by mixing a 20% solution with a 15% solution. How many liters of each type of basic solution should be used to produce the 17.5% solution?
A. 2 L of 15% solution and 1 L of 20% solution B. 1.5 L of 15% solution and 1.5 L of 20% solution C. 0.5 L of 15% solution and 2.5 L of 20% solution D. 1 L of 15% solution and 2 L of 20% solution
Mathematics