Answer:
rectangle
Step-by-step explanation:
got it right
 
        
             
        
        
        
Irrational
We know that pi is irrational (we can’t express it as a ratio of two numbers), and we are multiplying it by a rational number (-2). However -2 lots of something with infinite digits, will still have infinite digits, therefore it is irrational.
        
             
        
        
        
1) $375 
500 *.25= 125 
500-125= 375
2) (5/8)* 32= 20 girls in class
(3/8)* 32= 12 BOYS in class
4) 19+42+X=87
62+X= 87 (add 19 and 42 together )
X=25 ( subtract 87 from 62)
        
             
        
        
        
Answer:
50% decrease
Step-by-step explanation:
it would be a 50% decrease because half of 8 is 4 and 1/2 is 50 %.