Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.-4x - 4y + 3z = -21-16x - 15y + 13z = 0-8x - 7y + 7z = -12
A. 
B. 
C. 
D. No solution
Answer: D
Mathematics
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Factor, if possible.5x2y2 - 27xy - 56
A. (5xy - 7)(xy + 8) B. (5xy + 7)(xy - 8) C. (5xy + 8)(xy - 7) D. (5x + 8y)(x - 7y)
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Provide an appropriate response.Why is e used as a base for exponential and logarithmic functions?
What will be an ideal response?
Mathematics
Solve the equation.
= 
- 
A. {1}
B. {18}
C. 
D. {0}
Mathematics
Solve the problem.The owner of Nuts2U Snack Shack mixes cashews worth $6.25 a pound with peanuts worth $2.00 a pound to get a half-pound mixed nut bag worth $1.90. How much of each kind of nut is included in the mixed bag?
A. 0.10 lb of cashews and 0.90 lb of peanuts B. 0.07 lb of cashews and 0.93 lb of peanuts C. 0.21 lb of cashews and 0.29 lb of peanuts D. 0.29 lb of cashews and 0.21 lb of peanuts
Mathematics