A ball is thrown into the air with an upward velocity of 44 ft/s. Its height h in feet after t seconds is given by the function h --1612 + 441 +0.
How long does it take the ball to reach its maximum height? What is
the ball's maximum height? Round to the nearest hundredth, if
necessary.

What is the slope of the line shown below?

What’s 8y+48 and factor each expression completely

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.