Solve by addition or substitution.-5x - 5y = -40 3x + 2y = 16
A. (-1, 9)
B. (0, 9)
C. (0, 8)
D. ?
Answer: C
Mathematics
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A. e-3x cos e-3x B. -3 e-3x sin e-3x C. 3 sin e-3x D. 3 e-3xsin e-3x
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Find the indicated cross product.v = 2i - 5j + k, w = 6i - 3j - kFind v × w.
A. 24i - 8j - 8k B. -8i - 8j + 8k C. 8i + 8j + 24k D. 2i - 4j - 36k
Mathematics
Solve.-8x + 18 - 5x = -6x + 53
A. 5
B. - 5
C. - 
D. - 
Mathematics
Simplify the complex fraction.
A. 
B. 
C. 
D. 56x(x + 4)
Mathematics