It is into its proper fraction and cannot be simplified down any further. Therefore the proper fraction is 1/2
        
             
        
        
        
Answer:
28
Step-by-step explanation:
His aces on 80 serve = 35% of 80
= 35/100 × 80 
= 28
 
        
                    
             
        
        
        
It’s b because n equals weeks so after the first week he has given back five dollars because 5 time 1 is 5.
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
Hi there!
<u>What we need to know:</u>
- Linear equations are typically organized in slope-intercept form:  where m is the slope and b is the y-intercept (the value of y when x is 0) where m is the slope and b is the y-intercept (the value of y when x is 0)
- Perpendicular lines always have slopes that are negative reciprocals (ex. 3 and -1/3, 5/6 and -6/5, etc.)
<u>1) Determine the slope (m)</u>
y=x-9
Rewrite the equation
y=1x-9
Now, we can identify clearly that the slope of the line is 1. The negative reciprocal of 1 is -1, so therefore, the slope of a perpendicular line would be -1. Plug this into  :
:

<u />
<u>2) Determine the y-intercept (b)</u>

Plug in the given point (7,9) and solve for b

Add 7 to both sides to isolate b

Therefore, the y-intercept is 16. Plug this back into  :
:

I hope this helps!
 
        
             
        
        
        
Answer:
7/8
Step-by-step explanation:
Do you know how t0 cont bud?