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(-5, -5), Q(1, 0), R(5, 2)
A. 45
B. 8
C. 0
D. 4
Answer: D
Mathematics
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Solve the problem.A given line goes through the points (-1, 3) and (-2, -4). If a line is to be drawn parallel to the given line, what will be its slope?
A. - 
B. - 7
C. 7
D. 
Mathematics
Provide an appropriate response.The graph of an exponential function with base a is given. Is a > 1 or is 0 < a < 1? Explain how you arrived at your answer. Give the domain and range of f. f(x) = ax 
What will be an ideal response?
Mathematics
Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.16x3 + 48x2 - 25x - 75 > 0
A. (-?, -3] ? 
B. (-?, -3) ? 
C. 
D. 
? 
Mathematics
Find tan B in the right triangle below 
.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics