Answer:
No, it does not.
Step-by-step explanation:
This does not make a right triangle because in order to have a right triangle you must have 2 of the same numbers.
<em><u>For example:</u></em>
900, 800, 900 makes a right triangle
900, 800, 700 does not.
Hope this helped :D
Answer:
169/4
Step-by-step explanation:
x² - 13x + c
x² -2(x)(13/2) +(13/2)²
(13/2)² = 169/4 or 42 ¼
check the picture below.

it cannot be -1, because is a seconds amount after moving.