What is the correct expanded form and value of (4/5)^3? A. 4/5 + 4/5 + 4/5 = 12/5 B.4/5 • 4/5 • 4/5 = 64/125
C. 4 + 4 +4
—————- = 12/5
5
D. 5/4•5/4•5/4= 125/64

Ineed to know the answer to this algebra question.

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

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?