Answer:
y=-1/2x+3/2
Step-by-step explanation:
m=(y2-y1)/(x2-x1)
m=(-1-1)/(5-1)
m=-2/4
m=-1/2
y-y1=m(x-x1)
y-1=-1/2(x-1)
y=-1/2x+1/2+1
y=-1/2x+1/2+2/2
y=-1/2x+3/2
 
        
             
        
        
        
Answer:
10
Step-by-step explanation:
130+40+x =180
x=10
option 2 is correct
 
        
             
        
        
        
Hopes this helps if right please mark as brainlist:
Answer: -12x^2 + 15x
        
                    
             
        
        
        
Answer:
<h3>4.c</h3><h3>5.a</h3>
Step-by-step explanation:
<h3>#CARRY ON LEARNING</h3><h3>#MARK BRAINLITS</h3>