Solve using Cramer's rule.-3x - 5y + 8z = 14-9x + 2y + 3z = 9 6x - 8y + 3z = -6
A. (1, -3, -4)
B. (1, 3, 4)
C. (2, 1, 4)
D. (3, 4, 3)
Answer: B
Mathematics
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Solve.A television sells for $692. If the sales tax rate is 8.1%, what is the total price?
A. $1252.52 B. $560.52 C. $56.05 D. $748.05
Mathematics
Solve the inequality by using the method of your choice. State the solution set in interval notation and graph it.x2 + 12x + 20 ? 0
A. (-?, 2] ? [10, ?)
| 2? | 10 |
B. (-?, -4] ? [10, ?)
| -4 | 10 |
C. (-?, -2] ? [10, ?)
| -2 | 10 |
D. (-?, -10] ? [-2, ?)
| -10? | -2 |
Mathematics
If 
evaluate the difference quotient 
What will be an ideal response?
Mathematics
Find the eccentricity of the hyperbola.8x2 - 9y2 = 72
A. 
B. 
C. 
D. 
Mathematics