A triangle with vertices at (x1, y1), (x2, y2), and (x3, y3) has area equal to the absolute value of D, where 
. Use this information to solve the problem.Use D to find the area of the triangle with vertices at P, Q, and R. P(-3, 4), Q(-2, -5), R(6, -2)
A. 11
B. 
C. 0
D. 75
Answer: B
Mathematics
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, 
, 
, 
, . . .
A. an = 
B. an = 
C. an = 
D. an = 
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A. 40,794 copies B. 63,806 copies C. 42,869 copies D. 29,382 copies
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A. 81 B. 9 C. -9 D. 729
Mathematics