Numerical form is an actual number as opposed to a word.
"Seven" is not numerical form.
"7" is numerical form.
If you graph 4 separate triangles with the four different points, (2,3) and (1,5) form a right triangle.
Answer:

Step-by-step explanation:
To find x, the following equation is generated given the available information:



Cross multiply


Collect like terms



Answer:
simplify
Step-by-step explanation: