Solve the problem.Find the area of the right triangle ABC with A = (-2, 7), B = (7, -1), C = (3, 9).
A. 
square units
B. 
square units
C. 58 square units
D. 29 square units
Answer: D
Mathematics
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Add. Do not use a number line except as a check.-9.9 + 5.6
A. 15.5 B. -4.3 C. -15.5 D. 4.3
Mathematics
Write the equation for the line passing through the point (15,17) which is perpendicular to the line y = 7.
What will be an ideal response?
Mathematics
Graph the ellipse and label the center.
+ 
= 1
A. C(0, -10)
B. C(10, 0)
C. C(-10, 0)
D. C(0, 10)
Mathematics
Subtract.
A. 6 B. 32 C. 98 D. 12
Mathematics