Kerri drives 150 miles to visit her grandmother. she starts off driving 60 miles per hour, but then encounters road construction and has to drive 20 miles per hour the rest of the way. if she spends the same amount of time at the faster speed as at the slower speed, then how many hours did her 150-mile trip take in total?

Name the most appropriate metric unit for each measurement

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?

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis