algebra math, 8th grade
posted by Tazia
If point A is located at (0, 8) and B is located at (4, 5), what is the distance between them?
A. 5
B. 6
C. 7
D. 8
I know I don't usually ask for just the answer (I generally give what I got) but this was due on the 6th! I was in the hospital for pneumonia, and I didn't realize how behind I was in algebra. Please, please help as soon as possible!!

Tazia
Please, please don't ban me. I just really need this. I'm panicking (I know, I'm such a suckup), just please don't ban me. I'm not trying to cheat.

Damon
d =sqrt [ (y2y1)^2 +(x2x1)^2 ]
d =sqrt [ (5 +8)^2 +(40)^2 ]
= sqrt [ 9+16 ]
= sqrt 25 
Tazia
Goodness, thank you.

Damon
You are welcome.
However when in danger or in doubt
SKETCH A PICTURE of it ! 
Damon
If you had done it, you would have seen the right triangle immediately.
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