Answer:
add the y coordinates of the two lines and divide by 2
Step-by-step explanation:
½[0+(-12)]
½[0-12]
½[-12)
y co-ordinate of the midpoint is -6
Answer:
6.71
Step-by-step explanation:
c=
(3-9)^2+(-1+4)^2
c=√36+9
c=6.71
The percent decrease for 3 to .5 is 83.33%