Solve the system.2x + 8y + 6z = 115 x + 4y + 3z = -23 x + y + z = -5
A. (-3, -2, -5)
B. (-5, -3, -2)
C. (-5, -2, -3)
D. No solution
Answer: D
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Find the final amount.$6000 invested at 6.5% compounded semiannually for 7 years
A. $7505.54 B. $9422.52 C. $9323.92 D. $9388.84
Provide an appropriate response.A laptop case has an area of 150 in2. If the length is 5 in. more than the width, find the dimensions of the case.
A. width is 5 in.; length is 30 inches B. width is 15 in.; length is 20 inches C. width is 10 in.; length is 15 inches D. width is 6 in.; length is 25 inches
Find the solutions to the system of equations by the addition method.
- 
= -18
+ 
= -9
A. (12, 0) B. (0, 12) C. (-12, 0) D. (0, -12)
Write the expression in terms of sines and/or cosines, and then simplify.csc ? + tan2 ? csc ?
A. 
B. 
C. 
D. cos ? - sin ?