Dr. adama is studying a different variety of sunflower, which grows grows at a rate of 2.5 centimeters per day after the first 60 days. if this sunflower is 195 centimeters tall when it is 60 days old, write an expression to represent suntrackers height d days after the 60th days .which sunflower will be taller 22 days after the 60th day? explain how you found your answer

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?