Answer:
b = 2A/h - a . (option a)
Step-by-step explanation:
Check attachment
midpoint = (-2.5 , - 10)
midpoint =( ((x1 + x2)/2) , ((y1+y2)/2)) )
= ( ((-2 + -3)/2) ,(( -8 + -10)/2) )
= ( -2.5 , -10)
y=mx+b