Answer:
Step-by-step explanation:
The point-slope form of an equation of a line:
m - slope
We have the slope and the point .
Substitute:
Triangle DEF is not a right triangle ; possible lengths are 20 & 15
For right triangle;
the sum of the square of the two adjacent sides must equal the square of the hypotenus.
Therefore, (6^2)+(11^2)≠(13^2).
the possible length are 20 & 15 because
(20^2)+(15^2)=(25^2)
C
If you count the crosses, there are 4 of them
4 Runners ran 1/3 of a mile
4 runners, D
Hope this helps
