Answer:
   18
Step-by-step explanation:
There are 2+3 = 5 ratio units representing 45 band members, so each ratio unit represents 45/5 = 9 band members.
The 2 ratio units of sixth graders represent 2×9 = 18 sixth grade band members.
 
        
             
        
        
        
Answer is b hope this helps
        
             
        
        
        
Answer:
<h2><u><em>
y = 70°</em></u></h2>
Step-by-step explanation:
x = 35° (opposite agles)
y = 180 - 35 - 75 
y = 70
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check 35 + 75 + 70 = 180°
the answer is good