I NEED THIS ASAP WHICH STATMENT SHOWS THE ASSOSIATIVE PROPERTY OF ADDISTION
A. 23 +6Y=6Y+23

B. 13+(K+5)=(13+K)+5

C. 13 . (K.5)=(K.5).13

D. 13 .(K.5)= (13.5).5

hurry AND JUST WRITE THE LETTER

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What is the slope of the line shown below?