George walks to a friend's house. He walks 750 meters North, then realizes he walked too
far. He turns around and walks 250 meters South. The entire walk takes him 13 seconds.
What is his speed per second?

1foot = 12 inches; 1 yard = 3 feet

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities

If its non of them tell me..valerie took a day-trip. she drove from her house for a while and took a coffee break. after her coffee break, she continued driving. after  2  hours of driving after her coffee break, her distance from her house was  210  miles. her average speed during the whole trip was  60  miles per hour. valerie created the equation  y−210=60(x−2)  to represent this situation, where  xx  represents the time in hours from her coffee break and  yy  represents the distance in miles from her house. which graph correctly represents valerie's distance from her house after her coffee break?