Solve the problem.An object is propelled vertically upward from the top of a 304-foot building. 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 object finally hits the ground? Round to the nearest tenth of a second if necessary.
A. 10.8 seconds
B. 2 seconds
C. 1.8 seconds
D. 4.5 seconds
Answer: A
Mathematics
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Indicate whether the equation illustrates the multiplication property of 0, the multiplicative identity, the commutative property of multiplication, or the associative property of multiplication.- (4 + 2) ? 0 = 0
A. Multiplicative identity B. Multiplication property of zero C. Associative property of multiplication D. Commutative property of multiplication
Mathematics
Evaluate the given binomial coefficient.
A. 17 B. 210 C. 1 D. 35
Mathematics
Provide an appropriate response.A formula for the focal length of a lens isf = 
Calculate f (the focal length) for a = 18 cm and b = 10 cm. Round to the nearest tenth.
A. 9.0 cm B. 6.4 cm C. 5.0 cm D. 11.6 cm
Mathematics
Graph the linear equation.x - 5y = -4
A. 
B. 
C. 
D. 
Mathematics