1 answer:
            
              
              
                
                
Answer:
11/10
Step-by-step explanation:
4\5 + 3/10
U need to make the denominator the same. 10 is a multiple of 5. to get 10 u times by 2 
so 4\5 times by 2 =8/10 whatever you do to the denominator you do top. now you add the numerators 8+3= 11 so ur answer is 11/10
 
                                
             
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Answer:
the absolute value of -15 is 15 because you are basically moving 30 spaces to the right to make the number positive 
 
        
             
        
        
        
Answer:
Yes, because they both have two sets of parallel lines.
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c
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Angle 3 is 65
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You multiply .15 times 60 and you get 9 i believe