What equation of the line perpendicular y=-4/3x-12 and contains the pointb(0,-8)

Which system of linear inequalities is graphed? can somebody pleasssse

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

Answer asap evaluate 4-0.25g+0.5h4−0.25g+0.5h when g=10g=10 and h=5h=5.