Answer:
Step-by-step explanation:
There are many. Examples are:
1:3
2:6
6:18.
Answer:
t = 39
Step-by-step explanation:
the diagonals of a parallelogram bisect each other, therefore t = 3t - 78 further solving this equation we get
2t = 78 and then t = 39
135 + (-136) = 135 - 136
= -1
126 + (-747) = -621
-1 - (-621) = -1 + 621 = 620
——
I think it's 85 but Is this like a multiple choice question?