David threw a baseball into the air. The function of the height of the baseball in feet is h = − 6t^2 + 80t, where t represents the time in seconds after the ball was thrown. Determine how long it took for the ball to fall back to the ground.1-Make table / Graph h = − 6t^2 + 80t

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

True or false look at the picture pls : /

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.