Answer:
Step-by-step explanation:
 
        
             
        
        
        
I’m assuming you need to write an equation to display the relationship.
y=20x+50
        
             
        
        
        
Answer:
11.5 cm
Step-by-step explanation:
The dimensions of a right angled triangle can be determined using Pythagoras theorem 
The Pythagoras theorem : a² + b² = c²
where a = length
b = base
c = hypotenuse
a² + 8² = 14²
a² + 64 = 196
a² = 196 - 64 
a² = 132
find the square root of 132
a = 11.5 cm