Answer:
 I may be wrong, but I learned that the first slot would be "terms". 4:3 would be an example of a ratio so it couldn't be ratio and a difference is subtracting. 
 The second slot would not be a geometric sequence because it is not correctly placed on the number line. 
Therefore, the answers would be "terms" and "is not" 
 
        
             
        
        
        
The magnitude of the vector is 

the component form is 
<2,5>
 
        
        
        
Answer:
r = 8 units
Step-by-step explanation:
The circumference is calculated using  . Substitute C = 50.24 units. Solve for the radius.
. Substitute C = 50.24 units. Solve for the radius.

 
        
             
        
        
        
∠1 and ∠2 are RIGHT ANGLES, VERTICAL ANGLES, and SUPPLEMENTARY ANGLES. 
Hope this helps!
        
                    
             
        
        
        
Answer:
- 
Step-by-step explanation:
Evaluate cosπ then inverse tan, that is
cosπ = - 1
 (- 1) = -
(- 1) = - 