Solve the problem.Find the measure of an angle such that the difference between its supplement and 4 times its complement is 9°.
A. 63°
B. 137°
C. 31°
D. 68.5°
Answer: A
Mathematics
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Perform the matrix multiplication.
A. 
B. 
C. 
D. 
Mathematics
Find an equation for the graph.
A. y = 2 cos (4?x)
B. y = 4 cos (2?x)
C. y = 2 cos 
D. y = 4 cos 
Mathematics
Find the domain and range of the function represented in the graph.
A. Domain: [-?, 2?]; Range: [0, 3] B. Domain: [-2?, 2?]; Range: [-4, 4] C. Domain: [-3, 3]; Range: [-?, 2?] D. Domain: [-?, 2? ]; Range: [-3, 3]
Mathematics
Use the discriminant to determine the number of real solutions.x2 + 7x - 8 = 0
A. One real solution B. Two real solutions C. No real solutions
Mathematics