The expanded form of of a number is 50,000+2,000 +800 ±6 .write this n umber is standard form . then explain how you know if any of the digitsvin standard form are zero

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Which two undefined geometric terms always describe figures with no beginning or end?

How can constraints be used to model a real-world situation?