Answer:
13
Step-by-step explanation:
6 + 7 = 13
hope this helps, please mark me as brainliest!
 
        
                    
             
        
        
        
Answer:
7, 6 and elevation of 6
Step-by-step explanation:
Point A is on the points 7, 6 and 6 is the y (tall) point is it is up 6
 
        
                    
             
        
        
        
The probability that he first chooses an advanced book and then chooses a beginner book is 6/121.
<h3>Probability</h3>
Given:
Beginner book=2
Intermediate book=6
Instructional piano books=11
Advanced books=3
Hence: 
Probability=(2×3)÷(11×11)
Probability=6/121
Therefore the probability that he first chooses an advanced book and then chooses a beginner book is 6/121.
Learn more about probability here: brainly.com/question/24756209
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Answer:
m=0.25
Step-by-step explanation:
m = (y_2-y_1)/ (x_2-x_1) 
Let's get 2 of any coordinates in the graph, for example: (4,2) and (0,1) 
m = (1-2)/(0-4) = 1/4 or 0.25