Which expression is equivalent to (8 a minus 3 b 7) minus (2 a b minus 4)? 6 a minus 2 b 11 6 a minus 4 b 3 6 a minus 2 b 3 6 a minus 4 b 11.

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

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?

Suppose m: angle a =77 degrees what is the measure of a complement of a complement of angle a, what is a conclusion you can draw about a complement of a complement of an angle