Solve the problem.The area of a triangle with vertices (x1, y1), (x2, y2), and (x3, y3) is given by Area = ± , 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 (9, 2), (7, -9), and (-5, -3).

A. 13 square units
B. 72 square units
C. 26 square units
D. 144 square units


Answer: B

Mathematics

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11 employees of a grocery store pooled their money to buy $171 worth of lottery tickets each week, with the understanding they would split the prize equally if they happened to win. One week they did have the winning ticket and won $416,900. What was each employee's share of the winnings? 

A. $37,900 B. $1,881 C. $3,789 D. $3,790 E. $38,000 F. $37,901 G. $36,019

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Can the following be the lengths of the sides of a right triangle?10, 24, 26

A. Yes B. No

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Divide using the quotient rule for exponents. Write the result with positive exponents. Assume that variables in the denominator are not equal to 0.  

A.
B.  
C.  
D.

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Use the graph of f to sketch a graph of the inverse of f using a dashed curve.

A.

B.

C.

D.

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