Acircular tablecloth has a diameter of 48 centimeters. martel wants to sew a decorative braid around the tablecloth. what is the circumference around the tablecloth? use 3.14 to approximate for π . round your answer to the nearest tenth. enter your answer in the box. cm

Sound travels about 750 miles per hour. a) suppose it takes about 1.5 seconds to hear the echo. how far away is the canyon wall, in feet? for this i got 825 ft b) suppose you stand 1,925 feet from the canyon wall and sound the horn. how long will it take to hear the echo? (i'm stuck on this)