Which expressions are equivalent to 2(2x + 4y + x - 2y) 2(x + 6y) and 2x + 12y
2(x+ 2y and 2x + 4y
2(3x + 2y) and 6x + 4y
2(3x + 6y) and 6x + 12y

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

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?