1. 9.86* 10 ^13
2.  5.394* 10^13
3. and 4. I don't know those questions are confusing
5. 2.3705* 10^35
6. 5^10 
7.  4^13
8. 6^ 36
9. 2.425674* 10^30
10. 1.1556* 10^13
        
                    
             
        
        
        
The answer is A,
if you plug in the points of (2,-5) into 
y=x-7
-5=2-7
-5=-5
so the equation is true 
        
                    
             
        
        
        
Answer:
79 inches 
Step-by-step explanation:
1 foot equals 12 inches
6 feet = 6*12 = 72 inches
72+7=79
79 inches 
 
        
             
        
        
        
Answer:
0.25 c to the second
Step-by-step explanation:
i think
 
        
             
        
        
        
Answer:
 x2 +2x−xy when x = 250 and y = −120 ... sic Algebra: Patterns and Equations (13:18)
Step-by-step explanation: