Given line AB = line CD; Prove line AC = line BD

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

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

According to the data set, where should the upper quartile line of the box plot be placed?