Simplify the expression.
A. 1
B. y + 1
C. Cannot be simplified
D. -1
Answer: C
Mathematics
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An observer for a radar station is located at the origin of a coordinate system. For the point given, find the bearing of an airplane located at that point. Express the bearing using both methods.(7, -7)
A. 45°; S 45° E B. 45°; N 45° W C. 135°; N 45° W D. 135°; S 45° E
Mathematics
Determine whether the system corresponding to the given augmented matrix is dependent or inconsistent. If it is dependent, give the solution.
A. dependent; (8, -4) B. dependent; (-8, 4) C. inconsistent D. dependent; (-8, 4, -9)
Mathematics
Divide.
÷ 
A. - 
B. - 
C. - 
D. - 
Mathematics
Graph the equation.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics