A circular railroad-crossing sign has a diameter of 30 inches. Which measurement is closest to the area of the sign in square inches

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 =

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

Find the arc length of the semicircle. 7the grade