Solve the problem.A person standing close to the edge on top of a 240-foot building throws a baseball vertically upward. The quadratic equation models the ball's height above the ground, s, in feet, t seconds after it was thrown. After how many seconds does the ball reach its maximum height? Round to the nearest tenth of a second if necessary.

A. 1.5 seconds
B. 304 seconds
C. 6.4 seconds
D. 2 seconds


Answer: D

Mathematics

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Convert to decimal notation.- 

A. -0.87
B. -0.
C. 0.875
D. -0.875

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Write the domain of the rational function in interval notation.f(x) = 

A. (-?, 0) ? (0, 36) ? (36, ?) B. (-?, -6) ? (-6, 6) ? (6, ?) C. (-?, -4) ? (-4, ?) D. (-?, ?)

Mathematics

Solve for the specified variable.P =   for r

A.  
B.  
C.
D. P - tA

Mathematics

Graph the linear equation by finding its intercepts.x - 5y = -10

A.

B.

C.

D.

Mathematics