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, 3), Q(-1, -4), R(6, 3)
A. 63
B. 0
C. 48
D. 
Answer: D
Mathematics
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Find the exact value of the trigonometric function. Do not use a calculator or tables.tan 
A. 
B. 
C. 
D. 2
Mathematics
Evaluate the expression.-64-4/3
A. -256
B. 
C. -
D. -
Mathematics
Determine if the sequence is decreasing or nondecreasing and if it is bounded or unbounded from above.an = ln
A. Decreasing; unbounded B. Decreasing; bounded C. Nondecreasing; unbounded D. Nondecreasing; bounded
Mathematics
Solve.14x - 9 = 5x - 36
A. 4 B. 3 C. -4 D. -3
Mathematics