A triangle has vertices  figure 1.png)
Use a determinant to find its area.
 figure 2.png)
 answer.png)
Mathematics
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State whether the ordered pairs shown in the table are modeled exactly by the linear equation.y = -5x
A. Yes B. No
Mathematics
Simplify.
A. a(
+ 
)
B. 
C. a(
- 
)
D. 
Mathematics
Use Cramer's rule to solve the system. 9x + 7z = 117-4x + 9y + 9z = 84 6x - 7y = 15
A. {(6, 3, 9)} B. {(7, 1, 9)} C. {(3, 9, 3)} D. {(6, -3, -9)}
Mathematics
Perform the indicated operation. Assume that all variables are nonnegative.2
+ 4
A. 6
B. -2
C. 8
D. 6
Mathematics