How can I make this 1/4 of an hour is 15 minutes. So they spent 2 hours and 15 minutes on the airplane into one of these miles/hours = ? mph I know it's confusing but PLEASE help it's due by today!!

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Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Hannah paid $3.20 for 16 ounces of potato chips. hank paid $3.23 for 17 ounces of potato chips. who paid less per ounces?