Answer:132 combinations
Step-by-step explanation:
Answer:
Average of x-coordinates = (8+3)/2 = 5.5
Average of y-coordinates = (5+7)/2 = 6
Midpoint at (5.5,6)
slope m = (5+1)/(-6+8) = 6/2 =3
-56
Formula to get determinant is::
0(0)-8(7)
0 - 56
you are right