The rate of change is 25 because it goes 25 50 75 100 think of it like quarters
        
             
        
        
        
Answer:
r1= -3
r2= (11/2)
Step-by-step explanation:
5-4r=17
-4r=17-5
-4r=12
r=13
and
5-4r=-17
-4r=-22
r= 11/2
 
        
             
        
        
        
To prove a similarity of a triangle, we use angles or sides.
In this case we use angles to prove
∠ACB = ∠AED (Corresponding ∠s) 
∠AED = ∠FDE (Alternate ∠s) 
∠ABC = ∠ADE (Corresponding ∠s) 
∠ADE = ∠FED (Alternate ∠s) 
∠BAC = ∠EFD (sum of ∠s in a triangle) 
Now we know the similarity in the triangles. 
But it is necessary to write the similar triangle according to how the question ask. 
The question asks " ∆ABC is similar to ∆____. " So we find ∠ABC in the prove. 
∠ABC corressponds to ∠FED as stated above. 
∴ ∆ABC is similar to ∆FED
Similarly, if the question asks " ∆ACB is similar to ∆____. " 
We answer as ∆ACB is similar to ∆FDE. 
Answer is ∆ABC is similar to ∆FED.
        
             
        
        
        
-|20| + |5| = -15
Steps:
Apply absolute rule: |a| = a, a >/ 0
|20| = 20
= -20+5
Apply absolute rule: |a| = a, a >/ 0
|5| = 5
= -20+5
Refine 
= -15
Hope this helps you! (:
-Hamilton1757
        
             
        
        
        
Answer:
Reliability 
Step-by-step explanation:
Here, we want to select the option that best completes the given question
The correct answer is the reliability 
When we speak of how reliable a type of measurement is, we are simply referring to how free the particular measurement is from random error
Measurements that are free from random error are said to be reliable