Use the given information to find the exact value of the trigonometric function.cos ? = - 
; The terminal side of ? lies in Quadrant III.
Find cos 
.
A. - 
B. - 
C. 
D. 
Answer: B
Mathematics
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Classify the number as prime or composite.19
A. Prime B. Composite
Mathematics
Solve the system of equations using the inverse of the coefficient matrix. 5x - y + 4z = 55 3x - 5z = 124y + z = 11
A. No solution B. x = 9, y = 2, z = 3 C. x = -9, y = 2, z = 18 D. x = 9, y = 3, z =2
Mathematics
Add.12.31 + 6.69 + 0.122
A. 18.878 B. 5.498 C. 19.122 D. 5.742
Mathematics
Graph the equation.(x + 5)2 + (y + 5)2 = 4 
A. 
B. 
C. 
D. 
Mathematics