You are riding a roller coaster when a shoe falls off your foot. The function y 250 - 16t represents the height y (in feet) of the shoe t seconds after it falls off your foot. The shoe lands on the top of a 25-foot-tall building. After how many seconds does the shoe hit the building? The shoe hits the building after seconds E

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.