Solve the problem.The area of a triangle with vertices (x1, y1), (x2, y2), and (x3, y3) is 
,where the symbol ± indicates that the appropriate sign should be chosen to yield a positive area. Use this formula to find the area of a triangle whose vertices are (10, 3), (7, -9), and (-5, -2).
A. 
B. 
C. 165
D. 33
Answer: B
Mathematics
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Solve using the principle of zero products.(6y + 17)(7y + 8) = 0
A. - 
, - 
B. 11, 1
C. - 
, - 
D. 
, 
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C. 
D. 
Mathematics
Fill in the blank with one of the words or phrases listed below. 
Two angles that have a sum of 180° are called 
angles.
A. supplementary B. straight C. obtuse D. complementary
Mathematics
Solve the problem.If cos ? = 
, ? in quadrant IV, find the exact value of tan
A. 
B. 
C. 
D. 
Mathematics