Myah is 4 feet 2 inches tall. her sister, ally, is 10 inches taller. their little brother is half as tall as ally. how tall is their little brother in feet and inches

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

Bobs burgers bam has a special deal of 4 hamburgers for $6. at that rate, how much should it cost to buy 3 hamburgers?

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?