Answer:
M is the slope of the equation 
Step-by-step explanation:
 
        
                    
             
        
        
        
A, C, and E.
you can check them by putting into y=mx+b form. if m is negative then as domain increases range decreases.
        
             
        
        
        
Answer:
heart,lungs,oxygen i know i took a test like that before 
 
        
             
        
        
        
Answer:
2) 67.8°
3) 46.8°
4) 56.0°
Step-by-step explanation:
Use the right triangle trig functions
sine, cosine, or tangent and take the inverses to find the angle