Mark Brainliest please 
Answer: 56%
Explanation:
Divide the numerator by the denominator to get fraction's value:
420/750 =
420 ÷ 750 =
0.56
        
             
        
        
        
If you have listed the answer choices properly, none is correct. The orthocenter is (-2, 12).
___
See the attached figure.
 
        
        
        
        
Answer:
m = 5/3
Step-by-step explanation:
the slope is 
                     5
                     _
                     3