Answer:

Step-by-step explanation:
From the Venn diagram, n(AUB)=31
The given probabilities in the option are calculated below:

The only correct option is the probability of B which is 
 
        
             
        
        
        
Answer:
9
Step-by-step explanation:
40 dollars due up front
10 dollars made per sale
5 dollars lost per creation
Realistically speaking she is only making a $5 profit per box she sells; 
<em>$5 used up for material cost, $10 made from sales </em><em>-5+10= 5</em>
To pay the $40 dollar for the booth she would need to make 9 sales with her current profit
<em>40/5 = 9</em>
 
        
             
        
        
        
Answer:
-15x + 30
Step-by-step explanation:
-3(5x -10)
-15x + 30
 
        
             
        
        
        
14/23=0.61
He reads a bit over half a book per week