Solve. Round your answer to the nearest tenth, if necessary.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. The height, h, of the object after t seconds is given by the quadratic equation 
When will the object hit the ground?
A. In 5 seconds
B. In 160 seconds
C. In 2 seconds
D. In 7 seconds
Answer: A
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Rationalize the denominator. Simplify, if possible.
A. 
B. 
C. 
D. 
Solve the problem.Two points A and B are on opposite sides of a building. A surveyor selects a third point C to place a transit. Point C is 50 feet from point A and 74 feet from point B. The angle ACB is 53°. How far apart are points A and B?
A. 101 ft B. 75.8 ft C. 111.5 ft D. 59.4 ft
Solve the problem.A wildlife researcher is monitoring a black bear that has a radio telemetry collar with a transmitting range of 19 miles. The researcher is in a research station with her receiver and tracking the bear's movements. If we put the origin of a coordinate system at the research station, what is the equation of all possible locations of the bear where the transmitter would be at its maximum range?
A. x2 + y2 = 361 B. x2 - y2 = 19 C. x2 + y2 = 19 D. x2 + y2 = 38
Graph the system of inequalities.2x + y ? 4 x - 1 ? 0
A. 
B. 
C. 
D. 