Solve the problem.A model rocket is launched from the ground with an initial speed of 50 feet per second. The equation that models its height, h feet, off the ground t seconds after it was fired is 
(a) How high is the rocket 3 seconds after it was fired?(b) How long will it take the rocket to return to the earth?
A. (a) 6 ft
(b) 3.125 sec
B. (a) 294 ft
(b) 12.5 sec
C. (a) 6 ft
(b) 12.5 sec
D. (a) 294 ft
(b) 3.125 sec
Answer: A
Mathematics
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A. 2.2392% B. 22.392% C. 0.22392% D. 2239.2%
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Solve the equation.- 
x = 3
A. {-15} B. {-2} C. {-3} D. {-1}
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Solve the problem.The model of a building has the shape of a rectangular solid. The height is represented by x inches. The base of the model is square and the volume of the model is 
Express the area of the model's base in terms of x.
A. x2 - 900 square inches B. 60x square inches C. (x + 30)(x - 30) square inches D. (x - 30)2 square inches
Mathematics
Use a protractor to measure the angle.
A. 180° B. 25° C. 65° D. 155°
Mathematics