Add the following polynomials, then place the answer in the proper location on the grid. Write answer in descending powers of x.
- 4x² + 3xy-y^2
-7x² - xy +6y^2
x^2+ 4xy – 2y^2

Solve for x, y, and z. show all steps.

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

If myesha works overtime, she gets paid "time and a half" for every hour she works. in other words, for every hour over 40 hours myesha works each week, she gets her hourly pay plus half her hourly pay. what is myesha's pay per hour when she works overtime?