the director of vehicle maintenance for a large mass transportation authority wants to know the average life of bus tires for the fleet of 1,800 busses. A random sample of 100 tires is studied and the mean life is 20,000 miles, with a standard deviation of 1,200 miles. Construct and interpret a 95percent confidence interval for the true life of tires.

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

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?