Answer:
in 12 ways
Step-by-step explanation:
-30
-x/10 = 3
-x = 3 * 10 (transposing)
-x = 30
x = -30
A. DEF=EDF
add the y coordinates of the two lines and divide by 2
½[0+(-12)]
½[0-12]
½[-12)
y co-ordinate of the midpoint is -6
