(7x4 + 11x3 – x2 – 8x + 6) – (-12x4 + 9x2 – 15) a) -5x4 + 11x3 + 8x2 – 8x – 9 b) 19x4 + 11x3 – 10x2 – 8x + 21 c) 5x4 + 2x3 + 14x2 – 8x + 6 d) -19x4 – 2x3 – 8x2 – x + 9 e) -19x4 – 2x3 – 8x2 – x – 9

What is the simplified form of 7 √x • 7 √x • 7 √x • 7 √x?

What is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

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?