Identify the property that justifies each step asked about in the answer area below. Line 1:
(-9x + 8) + 7x
Line 2:
(8+(-9x)) + 7x
Line 3:
8+(-9x + 7x)
Line 4:
8+(-23)
Line 1 to Line 2:
Line 2 to Line 3:

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

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.

3.4a=57.8 what is the the value of a