Find the area of the triangle. If necessary, round the answer to two decimal places. 
A. 2.42
B. 7.88
C. 0.35
D. 1.97
Answer: D
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Graph the parabola.y = -x2 + 4
A. 
B. 
C. 
D. 
Solve the problem.The area of a square is 81 square centimeters. If the same amount is added to one dimension and removed from the other, the resulting rectangle has an area 9 square centimeters less than the area of the square. How much is added and subtracted?
A. 9 cm B. 12 cm C. 4 cm D. 3 cm
Solve the problem.Two LORAN stations are positioned 278 miles apart along a straight shore. A ship records a time difference of 0.00086 seconds between the LORAN signals. (The radio signals travel at 186,000 miles per second.) Where will the ship reach shore if it were to follow the hyperbola corresponding to this time difference? If the ship is 200 miles offshore, what is the position of the ship?
A. 59 miles from the master station, (161.9, 200) B. 80 miles from the master station, (161.9, 200) C. 80 miles from the master station, (200, 161.9) D. 59 miles from the master station, (200, 161.9)
Multiply.
A. 686 B. 5735 C. 5717 D. 5726