
1) Substitution from definition.
2) We use 
3) We are changing the order of 3 and
.
4) We add 1 and 3
and we get 
5) Substitution from definition (but the other way than at the beginning).
Answer:
(0,-5)
Step-by-step explanation:
3/14
[(I just came, Sorry for not giving a explanation)]
The error is that he probably forgot the decimal point thus causing him to say '"hundred" instead of "and" for the decimal point.
Answer:
I believe it would be -3, 7?
Step-by-step explanation:
IF we move the entire triangle to the left, that's where the coordinates line up.
Hope it helps?