Question

if P(-1,1) is the midpoint the line segment joining A(-3,b) and B(1,b+4) what is B



plz answer correctly with formula plzz​

Answer 1

Answer:

(b+4)+b/2=1

2b+4=2

2b=-2

b=-1

Answer 2

Answer:

0 is answer

Step-by-step explanation:

M1X2+M2X1/M+N , M1Y2+M2Y1/M+N