Probability (rock) :
78 / 150 = 13/25 = 52%
Rock is preferred by 52% of the 150 visitors that were surveyed
To find how many people will likely sell from the rock genre, you need to find 52% of the estimated sales (6,000 copies).
      52% • 6000 = 3,120
Answer: C. 3,120
        
                    
             
        
        
        
Answer:
X=15/2
Step-by-step explanation:
hope it helps you 
have a great day 
 
        
                    
             
        
        
        
Answer:
Q1. 1050 miles
Q2. 1h 30m
Step-by-step explanation:
Q1. 1h = 300 miles
3 h = 3.5 × 300 miles
h = 3.5 × 300 miles
      = 1050 miles 
Q2. 68km = 1h
102km =  × 1h
 × 1h
            = 1.5h 
            = 1h 30m 
 
        
             
        
        
        
Answer:
-7
Step-by-step explanation:
-2(x+5)=4
open the bracket with -2
-2x - 10 = 4
combine the like terms
-2x = 4 + 10
-2x = 14
divide by -2
-2x/-2 = 14/-2
x = -7