Answer:
(-5, 3)
Step-by-step explanation:
The coordinates of the midpoint are the averages of the endpoints.
-1.5 = (x + 2) / 2
-3 = x + 2
x = -5
6 = (y + 9) / 2
12 = y + 9
y = 3
Answer:
77.8743
Step-by-step explanation:
that is the awse if not it should look like 77.874
Answer:
3, -9, 27,-81,243,-729,2187,-6561,19683,-59049,177147,-531441
the sum is −398,580
N-9=14
that's just an example. what it equals to can be anything really