Answer: x=-35/10
               y=-4
Step-by-step explanation:
y = 3/2x +5/4
 -2x+8y=-25
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replace y in second equation with: y = 3/2x +5/4
-2x+8(3/2x+5/4)= -25
-2x+12x+10= -25
10x=-35
x=-35/10
x=-3.5
7+8y= -25
8y=-32
y=-4
 
        
             
        
        
        
Answer:
78.5 cm
Step-by-step explanation:
C=2 X pi X r
r= radius
then divide by 2 for a half circle
 
        
             
        
        
        
Answer:
Mutiply this by whatever other value there is.
Step-by-step explanation:
 
        
             
        
        
        
Answer:
the digit 4 in 3.546 is called hundredth because it is after the decimal point you add -th behind it while the digit 4 in 4.23 is called a unit 
 
        
             
        
        
        
N(1/3)-8=-13 is the correct answer.