Solve by elimination and check.x - y = 6 2x =2y - 12
A. No solution
B. (2, 4)
C. (0, 0)
D. Infinitely many solutions
Answer: A
Mathematics
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Give the opposite and then the absolute value of the number.8 - 8
A. 16, 16 B. 0, 16 C. 0, 0 D. 16, 0
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Find the sum of the first n terms of the sequence.19, 26, 33, 40, . . . ; n = 8
A. 423 B. 348 C. 272 D. 376
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Determine whether the vectors v and w are orthogonal.v = < 3, -6 >, w = < -6, -3 >
A. Not orthogonal B. Orthogonal
Mathematics
Evaluate 
.
?
?
A. 420 B. 380 C. 342 D. 462 E. 171
Mathematics