All of the following expressions are equivalent to 12w + 6, except:
a.-1(12w - 6)
b.(3 + 6w)2
c.6(1 + 2w)
d.-1(-12w - 6)

Two lines parallel to a third line are parallel to each other. always sometimes or never

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

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form