A man at the top of a building that is 75 feet tall drops a ball. The distance from the ball to the ground can be modeled by the equation
h = -16t2 + s, where h is the height from the ground, t is the time in
Seconds, and s is the initial height from the ground in feet. How long
will it take for the ball to reach the ground? Round your answer to
the nearest tenth of a second.

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab