Solve the system analytically.x - y + z = 7x + y + z = 3x + y - z = -5
A. {(1, 4, -2)}
B. ?
C. {(4, 1, -2)}
D. {(1, -2, 4)}
Answer: D
Mathematics
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Evaluate.(-8)3
A. -512 B. 512 C. -24 D. 24
Mathematics
Solve the formula for the indicated variable.A = P(1 + nr), for r
A. r = 
B. r = 
C. r = 
D. r = 
Mathematics
Provide an appropriate response.The total sales x ( in hundred thousands) for a music CD t months after the CD is released can be approximated by x = 
. Use logarithmic differentiation to find 
.
What will be an ideal response?
Mathematics
Find the asymptotes of the hyperbola.
- 
= 1
A. y = 
x, y = - 
x
B. y = 
x, y = - x
C. y = 
x, y = - 
x
D. y = 
x, y = - x
Mathematics