36 feet + 9 feet
= 45 feet
You are correct! The distance from where Debbie and Andy are standing to the coral reef is 45 feet in total.
        
             
        
        
        
? can be any number except for 3 or -2 as it is already used in (3,4), (-2,-5)
        
             
        
        
        
Answer:
The answer is A
Step-by-step explanation:
When you multiple the numerators across you get 39,283.2 not 39, 832. What this math problem is, is Dimensional Analysis. Its converting one unit of measurement to another 
Another example: 
Look at the attachment below. 
 
        
             
        
        
        
Answer:
Step-by-step explanation:
1
A. negative 
B. symmetric
C. positive
2
A. less than
B. same
C. greater than  
 
        
             
        
        
        
Answer:
S1 is congruent to S2
Step-by-step explanation: