Solve the problem.A person standing close to the edge on top of a 96-foot building throws a baseball vertically upward. The quadratic function 
models the ball's height above the ground, 
in feet, t seconds after it was thrown. How many seconds does it take until the ball finally hits the ground? Round to the nearest tenth of a second if necessary.
A. 1.2 sec
B. 2 sec
C. 5.2 sec
D. 160 sec
Answer: C
Mathematics
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Solve the inequality and graph the solution set.-5 < 
A. {x 
}
B. {x 
}
C. {x 
}
D. {x 
}
Mathematics
Factor completely. If the polynomial is prime, state this.x2y2 - 4
A. (xy + 4)(xy - 4) B. (xy + 2)(xy - 2) C. (xy - 2)2 D. (x2y2 + 2)(x2y2 - 2)
Mathematics
Solve the problem.Write the following as 3m for some whole number m: 9 ? 27
A. 37 B. 35 C. 36 D. 34
Mathematics
Verify the identity.
= 
What will be an ideal response?
Mathematics