At a farm the ratio of cows to horses was 9: 2. if there were 72 cows at the farm, how many horses were there?

Shryia read a 481 -page-long book cover to cover in a single session, at a constant rate. after reading for 1.5 hours, she had 403 pages left to read. how fast was shryia reading? pages per hour how long did it take her to read the entire book? hours plz i realy need this

Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys