The altitude is the mean proportional between the left and right parts of the hyptenuse

Answer: 14.1
Hello! I would love to help!
The answer is -10,-1
Basically, you have to fill -10 in for x and -1 in for y in each equation. If the equations are true, that is the right answer!
Hope this helped! Comment if you have questions!
Answer:
42+4
Step-by-step explanation: