Factor this polynomial.
-3x^2 - 16x-5

Simplify the expression 10/11(22z) + (a+5) -1

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades 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.

Y=21.95x+10 y=22.45x solve by substitution