Answer: A, A, C
Step-by-step explanation:
Educated Guess because none of them are going to be zero so it's either A or C but the point has a negative y so to plug it all in all of them have to be negative ex. -1 + -1 + -1 =-3 
the x is -1 so both have to be negative in order to get -3
 
        
             
        
        
        
Answer:
 2/10, 1 1/4, 13/24, 11/24
Step-by-step explanation:
1. subtract the fractions
2. add the fractions
3. add the fractions
4. add the fractions
 
        
             
        
        
        
In 8 weeks the reef grows 13 m, or 104 m.
Converting 104 m into mm:
104 m     1000 mm
--------- * ------------- = 104,000 mm
    1               1 m