Answer: 14
Step-by-step explanation:
Fraction that choose hip hop= 1/3
Fraction that choose rap = 1/5
Fraction that choose rock will be:
= 1 - (1/3 + 1/5)
= 1 - (5/15 + 3/15)
= 1 - 8/15
= 7/15
Number of students that choose rock will be:
= 7/15 × 30
= 7 × 2
= 14 students
We then multi
 
        
             
        
        
        
Answer:
The answer is B. I plugged it into a graphing calculator. Hope this helped :)
Step-by-step explanation:
 
        
             
        
        
        
67.2
ST + SR + TR = perimeter of RST
ST = PQ × TR/QO
 
        
             
        
        
        
Answer:
dvzvdvdzcvszdv
Step-by-step explanation: