jay caculated the distance between the points of (4,-7) and (-10,1) as 8.5. he found his answer by subtracting 4 and -6, and by subtracting 7 and 1 to get 6. He then used the pythagorean theorem to get 8.5. what mistakes did he make and how can he fix them?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

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?

Urgentwhat is the area of the figure?