2. A ball is kicked off the edge of a building and follows the path h(t) = -16t? + 20t + 50. How long does it take for the ball to hit the ground?

An angle that measures between 90 and 180° is called a(,

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.