Solve the system of equations by elimination.
A. x = -6, y = 15; (-6, 15)
B. x = -15, y = 5; ( -15, 5)
C. x = -15, y = 7; (-15, 7)
D. x = 15, y = -6; (15, -6)
Answer: D
Mathematics
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, v = 
. Find v - u.
A. 
B. 
C. 
D. 
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Use scientific notation to perform the following operations. Leave your answer in scientific notation.(10 × 104) ÷ (5 × 106)
A. -2.0 × 102 B. 2.0 × 10-2 C. -2.0 × 10-2 D. 2.0 × 102
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Perform the following division.
A. 26 R10 B. 14 R15 C. 27 R10 D. 26 R15
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Solve and check your answer.
- 4x = 2
A. x = - 
B. x = - 
C. x = - 
D. x = 18
Mathematics